212107980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:584

約数の個数: 192

約数和(自身を含む): 731953152

約数和(自身を除く): 519845172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 61, 68, 70, 84, 85, 102, 105, 119, 122, 140, 170, 183, 204, 210, 238, 244, 255, 305, 340, 357, 366, 420, 427, 476, 487, 510, 595, 610, 714, 732, 854, 915, 974, 1020, 1037, 1190, 1220, 1281, 1428, 1461, 1708, 1785, 1830, 1948, 2074, 2135, 2380, 2435, 2562, 2922, 3111, 3409, 3570, 3660, 4148, 4270, 4870, 5124, 5185, 5844, 6222, 6405, 6818, 7140, 7259, 7305, 8279, 8540, 9740, 10227, 10370, 12444, 12810, 13636, 14518, 14610, 15555, 16558, 17045, 20454, 20740, 21777, 24837, 25620, 29036, 29220, 29707, 31110, 33116, 34090, 36295, 40908, 41395, 43554, 49674, 51135, 57953, 59414, 62220, 68180, 72590, 82790, 87108, 89121, 99348, 102270, 108885, 115906, 118828, 124185, 145180, 148535, 165580, 173859, 178242, 204540, 207949, 217770, 231812, 248370, 289765, 297070, 347718, 356484, 415898, 435540, 445605, 496740, 505019, 579530, 594140, 623847, 695436, 831796, 869295, 891210, 1010038, 1039745, 1159060, 1247694, 1515057, 1738590, 1782420, 2020076, 2079490, 2495388, 2525095, 3030114, 3119235, 3477180, 3535133, 4158980, 5050190, 6060228, 6238470, 7070266, 7575285, 10100380, 10605399, 12476940, 14140532, 15150570, 17675665, 21210798, 30301140, 35351330, 42421596, 53026995, 70702660, 106053990, 212107980]

約数ペア:

[(1, 212107980), (2, 106053990), (3, 70702660), (4, 53026995), (5, 42421596), (6, 35351330), (7, 30301140), (10, 21210798), (12, 17675665), (14, 15150570), (15, 14140532), (17, 12476940), (20, 10605399), (21, 10100380), (28, 7575285), (30, 7070266), (34, 6238470), (35, 6060228), (42, 5050190), (51, 4158980), (60, 3535133), (61, 3477180), (68, 3119235), (70, 3030114), (84, 2525095), (85, 2495388), (102, 2079490), (105, 2020076), (119, 1782420), (122, 1738590), (140, 1515057), (170, 1247694), (183, 1159060), (204, 1039745), (210, 1010038), (238, 891210), (244, 869295), (255, 831796), (305, 695436), (340, 623847), (357, 594140), (366, 579530), (420, 505019), (427, 496740), (476, 445605), (487, 435540), (510, 415898), (595, 356484), (610, 347718), (714, 297070), (732, 289765), (854, 248370), (915, 231812), (974, 217770), (1020, 207949), (1037, 204540), (1190, 178242), (1220, 173859), (1281, 165580), (1428, 148535), (1461, 145180), (1708, 124185), (1785, 118828), (1830, 115906), (1948, 108885), (2074, 102270), (2135, 99348), (2380, 89121), (2435, 87108), (2562, 82790), (2922, 72590), (3111, 68180), (3409, 62220), (3570, 59414), (3660, 57953), (4148, 51135), (4270, 49674), (4870, 43554), (5124, 41395), (5185, 40908), (5844, 36295), (6222, 34090), (6405, 33116), (6818, 31110), (7140, 29707), (7259, 29220), (7305, 29036), (8279, 25620), (8540, 24837), (9740, 21777), (10227, 20740), (10370, 20454), (12444, 17045), (12810, 16558), (13636, 15555), (14518, 14610)]