1263437500

素因数分解:

$2^2\times 5^7\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 2985929856

約数和(自身を除く): 1722492356

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 311, 325, 500, 622, 625, 650, 1244, 1250, 1300, 1555, 1625, 2500, 3110, 3125, 3250, 4043, 6220, 6250, 6500, 7775, 8086, 8125, 12500, 15550, 15625, 16172, 16250, 20215, 31100, 31250, 32500, 38875, 40430, 40625, 62500, 77750, 78125, 80860, 81250, 101075, 155500, 156250, 162500, 194375, 202150, 203125, 312500, 388750, 404300, 406250, 505375, 777500, 812500, 971875, 1010750, 1015625, 1943750, 2021500, 2031250, 2526875, 3887500, 4062500, 4859375, 5053750, 9718750, 10107500, 12634375, 19437500, 24296875, 25268750, 48593750, 50537500, 63171875, 97187500, 126343750, 252687500, 315859375, 631718750, 1263437500]

約数ペア:

[(1, 1263437500), (2, 631718750), (4, 315859375), (5, 252687500), (10, 126343750), (13, 97187500), (20, 63171875), (25, 50537500), (26, 48593750), (50, 25268750), (52, 24296875), (65, 19437500), (100, 12634375), (125, 10107500), (130, 9718750), (250, 5053750), (260, 4859375), (311, 4062500), (325, 3887500), (500, 2526875), (622, 2031250), (625, 2021500), (650, 1943750), (1244, 1015625), (1250, 1010750), (1300, 971875), (1555, 812500), (1625, 777500), (2500, 505375), (3110, 406250), (3125, 404300), (3250, 388750), (4043, 312500), (6220, 203125), (6250, 202150), (6500, 194375), (7775, 162500), (8086, 156250), (8125, 155500), (12500, 101075), (15550, 81250), (15625, 80860), (16172, 78125), (16250, 77750), (20215, 62500), (31100, 40625), (31250, 40430), (32500, 38875)]