217839213650

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4523}}^1\times {\mathrm{15791}}^1$

素因数の和:20387

約数の個数: 48

約数和(自身を含む): 411940384128

約数和(自身を除く): 194101170478

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 4523, 9046, 15791, 22615, 31582, 45230, 78955, 113075, 157910, 226150, 275903, 394775, 551806, 789550, 963251, 1379515, 1926502, 2759030, 4816255, 6897575, 9632510, 13795150, 24081275, 48162550, 71422693, 142845386, 357113465, 714226930, 1785567325, 3571134650, 4356784273, 8713568546, 21783921365, 43567842730, 108919606825, 217839213650]

約数ペア:

[(1, 217839213650), (2, 108919606825), (5, 43567842730), (10, 21783921365), (25, 8713568546), (50, 4356784273), (61, 3571134650), (122, 1785567325), (305, 714226930), (610, 357113465), (1525, 142845386), (3050, 71422693), (4523, 48162550), (9046, 24081275), (15791, 13795150), (22615, 9632510), (31582, 6897575), (45230, 4816255), (78955, 2759030), (113075, 1926502), (157910, 1379515), (226150, 963251), (275903, 789550), (394775, 551806)]