28622900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 66792600

約数和(自身を除く): 38169700

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 113, 149, 170, 226, 298, 340, 425, 452, 565, 596, 745, 850, 1130, 1490, 1700, 1921, 2260, 2533, 2825, 2980, 3725, 3842, 5066, 5650, 7450, 7684, 9605, 10132, 11300, 12665, 14900, 16837, 19210, 25330, 33674, 38420, 48025, 50660, 63325, 67348, 84185, 96050, 126650, 168370, 192100, 253300, 286229, 336740, 420925, 572458, 841850, 1144916, 1431145, 1683700, 2862290, 5724580, 7155725, 14311450, 28622900]

約数ペア:

[(1, 28622900), (2, 14311450), (4, 7155725), (5, 5724580), (10, 2862290), (17, 1683700), (20, 1431145), (25, 1144916), (34, 841850), (50, 572458), (68, 420925), (85, 336740), (100, 286229), (113, 253300), (149, 192100), (170, 168370), (226, 126650), (298, 96050), (340, 84185), (425, 67348), (452, 63325), (565, 50660), (596, 48025), (745, 38420), (850, 33674), (1130, 25330), (1490, 19210), (1700, 16837), (1921, 14900), (2260, 12665), (2533, 11300), (2825, 10132), (2980, 9605), (3725, 7684), (3842, 7450), (5066, 5650)]