71973410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 142767360

約数和(自身を除く): 70793950

約数列:

[1, 2, 5, 10, 17, 34, 67, 71, 85, 89, 134, 142, 170, 178, 335, 355, 445, 670, 710, 890, 1139, 1207, 1513, 2278, 2414, 3026, 4757, 5695, 5963, 6035, 6319, 7565, 9514, 11390, 11926, 12070, 12638, 15130, 23785, 29815, 31595, 47570, 59630, 63190, 80869, 101371, 107423, 161738, 202742, 214846, 404345, 423373, 506855, 537115, 808690, 846746, 1013710, 1074230, 2116865, 4233730, 7197341, 14394682, 35986705, 71973410]

約数ペア:

[(1, 71973410), (2, 35986705), (5, 14394682), (10, 7197341), (17, 4233730), (34, 2116865), (67, 1074230), (71, 1013710), (85, 846746), (89, 808690), (134, 537115), (142, 506855), (170, 423373), (178, 404345), (335, 214846), (355, 202742), (445, 161738), (670, 107423), (710, 101371), (890, 80869), (1139, 63190), (1207, 59630), (1513, 47570), (2278, 31595), (2414, 29815), (3026, 23785), (4757, 15130), (5695, 12638), (5963, 12070), (6035, 11926), (6319, 11390), (7565, 9514)]