308951580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:500

約数の個数: 192

約数和(自身を含む): 1039933440

約数和(自身を除く): 730981860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 61, 62, 70, 84, 93, 105, 122, 124, 140, 155, 183, 186, 210, 217, 244, 305, 310, 366, 372, 389, 420, 427, 434, 465, 610, 620, 651, 732, 778, 854, 868, 915, 930, 1085, 1167, 1220, 1281, 1302, 1556, 1708, 1830, 1860, 1891, 1945, 2135, 2170, 2334, 2562, 2604, 2723, 3255, 3660, 3782, 3890, 4270, 4340, 4668, 5124, 5446, 5673, 5835, 6405, 6510, 7564, 7780, 8169, 8540, 9455, 10892, 11346, 11670, 12059, 12810, 13020, 13237, 13615, 16338, 18910, 22692, 23340, 23729, 24118, 25620, 26474, 27230, 28365, 32676, 36177, 37820, 39711, 40845, 47458, 48236, 52948, 54460, 56730, 60295, 66185, 71187, 72354, 79422, 81690, 84413, 94916, 113460, 118645, 120590, 132370, 142374, 144708, 158844, 163380, 166103, 168826, 180885, 198555, 237290, 241180, 253239, 264740, 284748, 332206, 337652, 355935, 361770, 397110, 422065, 474580, 498309, 506478, 664412, 711870, 723540, 735599, 794220, 830515, 844130, 996618, 1012956, 1266195, 1423740, 1471198, 1661030, 1688260, 1993236, 2206797, 2491545, 2532390, 2942396, 3322060, 3677995, 4413594, 4983090, 5064780, 5149193, 7355990, 8827188, 9966180, 10298386, 11033985, 14711980, 15447579, 20596772, 22067970, 25745965, 30895158, 44135940, 51491930, 61790316, 77237895, 102983860, 154475790, 308951580]

約数ペア:

[(1, 308951580), (2, 154475790), (3, 102983860), (4, 77237895), (5, 61790316), (6, 51491930), (7, 44135940), (10, 30895158), (12, 25745965), (14, 22067970), (15, 20596772), (20, 15447579), (21, 14711980), (28, 11033985), (30, 10298386), (31, 9966180), (35, 8827188), (42, 7355990), (60, 5149193), (61, 5064780), (62, 4983090), (70, 4413594), (84, 3677995), (93, 3322060), (105, 2942396), (122, 2532390), (124, 2491545), (140, 2206797), (155, 1993236), (183, 1688260), (186, 1661030), (210, 1471198), (217, 1423740), (244, 1266195), (305, 1012956), (310, 996618), (366, 844130), (372, 830515), (389, 794220), (420, 735599), (427, 723540), (434, 711870), (465, 664412), (610, 506478), (620, 498309), (651, 474580), (732, 422065), (778, 397110), (854, 361770), (868, 355935), (915, 337652), (930, 332206), (1085, 284748), (1167, 264740), (1220, 253239), (1281, 241180), (1302, 237290), (1556, 198555), (1708, 180885), (1830, 168826), (1860, 166103), (1891, 163380), (1945, 158844), (2135, 144708), (2170, 142374), (2334, 132370), (2562, 120590), (2604, 118645), (2723, 113460), (3255, 94916), (3660, 84413), (3782, 81690), (3890, 79422), (4270, 72354), (4340, 71187), (4668, 66185), (5124, 60295), (5446, 56730), (5673, 54460), (5835, 52948), (6405, 48236), (6510, 47458), (7564, 40845), (7780, 39711), (8169, 37820), (8540, 36177), (9455, 32676), (10892, 28365), (11346, 27230), (11670, 26474), (12059, 25620), (12810, 24118), (13020, 23729), (13237, 23340), (13615, 22692), (16338, 18910)]