18694394500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{6287}}^1$

素因数の和:6638

約数の個数: 96

約数和(自身を含む): 43121594880

約数和(自身を除く): 24427200380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 313, 380, 475, 500, 626, 950, 1252, 1565, 1900, 2375, 3130, 4750, 5947, 6260, 6287, 7825, 9500, 11894, 12574, 15650, 23788, 25148, 29735, 31300, 31435, 39125, 59470, 62870, 78250, 118940, 119453, 125740, 148675, 156500, 157175, 238906, 297350, 314350, 477812, 594700, 597265, 628700, 743375, 785875, 1194530, 1486750, 1571750, 1967831, 2389060, 2973500, 2986325, 3143500, 3935662, 5972650, 7871324, 9839155, 11945300, 14931625, 19678310, 29863250, 37388789, 39356620, 49195775, 59726500, 74777578, 98391550, 149555156, 186943945, 196783100, 245978875, 373887890, 491957750, 747775780, 934719725, 983915500, 1869439450, 3738878900, 4673598625, 9347197250, 18694394500]

約数ペア:

[(1, 18694394500), (2, 9347197250), (4, 4673598625), (5, 3738878900), (10, 1869439450), (19, 983915500), (20, 934719725), (25, 747775780), (38, 491957750), (50, 373887890), (76, 245978875), (95, 196783100), (100, 186943945), (125, 149555156), (190, 98391550), (250, 74777578), (313, 59726500), (380, 49195775), (475, 39356620), (500, 37388789), (626, 29863250), (950, 19678310), (1252, 14931625), (1565, 11945300), (1900, 9839155), (2375, 7871324), (3130, 5972650), (4750, 3935662), (5947, 3143500), (6260, 2986325), (6287, 2973500), (7825, 2389060), (9500, 1967831), (11894, 1571750), (12574, 1486750), (15650, 1194530), (23788, 785875), (25148, 743375), (29735, 628700), (31300, 597265), (31435, 594700), (39125, 477812), (59470, 314350), (62870, 297350), (78250, 238906), (118940, 157175), (119453, 156500), (125740, 148675)]