989848750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{373}}^1$

素因数の和:599

約数の個数: 80

約数和(自身を含む): 2039984496

約数和(自身を除く): 1050135746

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 193, 250, 275, 373, 386, 550, 625, 746, 965, 1250, 1375, 1865, 1930, 2123, 2750, 3730, 4103, 4246, 4825, 6875, 8206, 9325, 9650, 10615, 13750, 18650, 20515, 21230, 24125, 41030, 46625, 48250, 53075, 71989, 93250, 102575, 106150, 120625, 143978, 205150, 233125, 241250, 265375, 359945, 466250, 512875, 530750, 719890, 791879, 1025750, 1326875, 1583758, 1799725, 2564375, 2653750, 3599450, 3959395, 5128750, 7918790, 8998625, 17997250, 19796975, 39593950, 44993125, 89986250, 98984875, 197969750, 494924375, 989848750]

約数ペア:

[(1, 989848750), (2, 494924375), (5, 197969750), (10, 98984875), (11, 89986250), (22, 44993125), (25, 39593950), (50, 19796975), (55, 17997250), (110, 8998625), (125, 7918790), (193, 5128750), (250, 3959395), (275, 3599450), (373, 2653750), (386, 2564375), (550, 1799725), (625, 1583758), (746, 1326875), (965, 1025750), (1250, 791879), (1375, 719890), (1865, 530750), (1930, 512875), (2123, 466250), (2750, 359945), (3730, 265375), (4103, 241250), (4246, 233125), (4825, 205150), (6875, 143978), (8206, 120625), (9325, 106150), (9650, 102575), (10615, 93250), (13750, 71989), (18650, 53075), (20515, 48250), (21230, 46625), (24125, 41030)]