218401890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:632

約数の個数: 128

約数和(自身を含む): 640493568

約数和(自身を除く): 422091678

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 131, 170, 210, 238, 255, 262, 357, 393, 467, 510, 595, 655, 714, 786, 917, 934, 1190, 1310, 1401, 1785, 1834, 1965, 2227, 2335, 2751, 2802, 3269, 3570, 3930, 4454, 4585, 4670, 5502, 6538, 6681, 7005, 7939, 9170, 9807, 11135, 13362, 13755, 14010, 15589, 15878, 16345, 19614, 22270, 23817, 27510, 31178, 32690, 33405, 39695, 46767, 47634, 49035, 55573, 61177, 66810, 77945, 79390, 93534, 98070, 111146, 119085, 122354, 155890, 166719, 183531, 233835, 238170, 277865, 305885, 333438, 367062, 428239, 467670, 555730, 611770, 833595, 856478, 917655, 1040009, 1284717, 1667190, 1835310, 2080018, 2141195, 2569434, 3120027, 4282390, 5200045, 6240054, 6423585, 7280063, 10400090, 12847170, 14560126, 15600135, 21840189, 31200270, 36400315, 43680378, 72800630, 109200945, 218401890]

約数ペア:

[(1, 218401890), (2, 109200945), (3, 72800630), (5, 43680378), (6, 36400315), (7, 31200270), (10, 21840189), (14, 15600135), (15, 14560126), (17, 12847170), (21, 10400090), (30, 7280063), (34, 6423585), (35, 6240054), (42, 5200045), (51, 4282390), (70, 3120027), (85, 2569434), (102, 2141195), (105, 2080018), (119, 1835310), (131, 1667190), (170, 1284717), (210, 1040009), (238, 917655), (255, 856478), (262, 833595), (357, 611770), (393, 555730), (467, 467670), (510, 428239), (595, 367062), (655, 333438), (714, 305885), (786, 277865), (917, 238170), (934, 233835), (1190, 183531), (1310, 166719), (1401, 155890), (1785, 122354), (1834, 119085), (1965, 111146), (2227, 98070), (2335, 93534), (2751, 79390), (2802, 77945), (3269, 66810), (3570, 61177), (3930, 55573), (4454, 49035), (4585, 47634), (4670, 46767), (5502, 39695), (6538, 33405), (6681, 32690), (7005, 31178), (7939, 27510), (9170, 23817), (9807, 22270), (11135, 19614), (13362, 16345), (13755, 15878), (14010, 15589)]