308408940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 216

約数和(自身を含む): 1105453440

約数和(自身を除く): 797044500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 73, 84, 90, 98, 105, 126, 140, 146, 147, 180, 196, 210, 219, 245, 252, 292, 294, 315, 365, 420, 438, 441, 479, 490, 511, 588, 630, 657, 730, 735, 876, 882, 958, 980, 1022, 1095, 1260, 1314, 1437, 1460, 1470, 1533, 1764, 1916, 2044, 2190, 2205, 2395, 2555, 2628, 2874, 2940, 3066, 3285, 3353, 3577, 4311, 4380, 4410, 4599, 4790, 5110, 5748, 6132, 6570, 6706, 7154, 7185, 7665, 8622, 8820, 9198, 9580, 10059, 10220, 10731, 13140, 13412, 14308, 14370, 15330, 16765, 17244, 17885, 18396, 20118, 21462, 21555, 22995, 23471, 28740, 30177, 30660, 32193, 33530, 34967, 35770, 40236, 42924, 43110, 45990, 46942, 50295, 53655, 60354, 64386, 67060, 69934, 70413, 71540, 86220, 91980, 93884, 100590, 104901, 107310, 117355, 120708, 128772, 139868, 140826, 150885, 160965, 174835, 201180, 209802, 211239, 214620, 234710, 244769, 281652, 301770, 314703, 321930, 349670, 352065, 419604, 422478, 469420, 489538, 524505, 603540, 629406, 643860, 699340, 704130, 734307, 844956, 979076, 1049010, 1056195, 1223845, 1258812, 1408260, 1468614, 1573515, 1713383, 2098020, 2112390, 2202921, 2447690, 2937228, 3147030, 3426766, 3671535, 4224780, 4405842, 4895380, 5140149, 6294060, 6853532, 7343070, 8566915, 8811684, 10280298, 11014605, 14686140, 15420447, 17133830, 20560596, 22029210, 25700745, 30840894, 34267660, 44058420, 51401490, 61681788, 77102235, 102802980, 154204470, 308408940]

約数ペア:

[(1, 308408940), (2, 154204470), (3, 102802980), (4, 77102235), (5, 61681788), (6, 51401490), (7, 44058420), (9, 34267660), (10, 30840894), (12, 25700745), (14, 22029210), (15, 20560596), (18, 17133830), (20, 15420447), (21, 14686140), (28, 11014605), (30, 10280298), (35, 8811684), (36, 8566915), (42, 7343070), (45, 6853532), (49, 6294060), (60, 5140149), (63, 4895380), (70, 4405842), (73, 4224780), (84, 3671535), (90, 3426766), (98, 3147030), (105, 2937228), (126, 2447690), (140, 2202921), (146, 2112390), (147, 2098020), (180, 1713383), (196, 1573515), (210, 1468614), (219, 1408260), (245, 1258812), (252, 1223845), (292, 1056195), (294, 1049010), (315, 979076), (365, 844956), (420, 734307), (438, 704130), (441, 699340), (479, 643860), (490, 629406), (511, 603540), (588, 524505), (630, 489538), (657, 469420), (730, 422478), (735, 419604), (876, 352065), (882, 349670), (958, 321930), (980, 314703), (1022, 301770), (1095, 281652), (1260, 244769), (1314, 234710), (1437, 214620), (1460, 211239), (1470, 209802), (1533, 201180), (1764, 174835), (1916, 160965), (2044, 150885), (2190, 140826), (2205, 139868), (2395, 128772), (2555, 120708), (2628, 117355), (2874, 107310), (2940, 104901), (3066, 100590), (3285, 93884), (3353, 91980), (3577, 86220), (4311, 71540), (4380, 70413), (4410, 69934), (4599, 67060), (4790, 64386), (5110, 60354), (5748, 53655), (6132, 50295), (6570, 46942), (6706, 45990), (7154, 43110), (7185, 42924), (7665, 40236), (8622, 35770), (8820, 34967), (9198, 33530), (9580, 32193), (10059, 30660), (10220, 30177), (10731, 28740), (13140, 23471), (13412, 22995), (14308, 21555), (14370, 21462), (15330, 20118), (16765, 18396), (17244, 17885)]