131245630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 253808640

約数和(自身を除く): 122563010

約数列:

[1, 2, 5, 10, 31, 62, 67, 71, 89, 134, 142, 155, 178, 310, 335, 355, 445, 670, 710, 890, 2077, 2201, 2759, 4154, 4402, 4757, 5518, 5963, 6319, 9514, 10385, 11005, 11926, 12638, 13795, 20770, 22010, 23785, 27590, 29815, 31595, 47570, 59630, 63190, 147467, 184853, 195889, 294934, 369706, 391778, 423373, 737335, 846746, 924265, 979445, 1474670, 1848530, 1958890, 2116865, 4233730, 13124563, 26249126, 65622815, 131245630]

約数ペア:

[(1, 131245630), (2, 65622815), (5, 26249126), (10, 13124563), (31, 4233730), (62, 2116865), (67, 1958890), (71, 1848530), (89, 1474670), (134, 979445), (142, 924265), (155, 846746), (178, 737335), (310, 423373), (335, 391778), (355, 369706), (445, 294934), (670, 195889), (710, 184853), (890, 147467), (2077, 63190), (2201, 59630), (2759, 47570), (4154, 31595), (4402, 29815), (4757, 27590), (5518, 23785), (5963, 22010), (6319, 20770), (9514, 13795), (10385, 12638), (11005, 11926)]