278202370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 549504000

約数和(自身を除く): 271301630

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 149, 155, 190, 298, 310, 317, 589, 634, 745, 1178, 1490, 1585, 2831, 2945, 3170, 4619, 5662, 5890, 6023, 9238, 9827, 12046, 14155, 19654, 23095, 28310, 30115, 46190, 47233, 49135, 60230, 87761, 94466, 98270, 175522, 186713, 236165, 373426, 438805, 472330, 877610, 897427, 933565, 1464223, 1794854, 1867130, 2928446, 4487135, 7321115, 8974270, 14642230, 27820237, 55640474, 139101185, 278202370]

約数ペア:

[(1, 278202370), (2, 139101185), (5, 55640474), (10, 27820237), (19, 14642230), (31, 8974270), (38, 7321115), (62, 4487135), (95, 2928446), (149, 1867130), (155, 1794854), (190, 1464223), (298, 933565), (310, 897427), (317, 877610), (589, 472330), (634, 438805), (745, 373426), (1178, 236165), (1490, 186713), (1585, 175522), (2831, 98270), (2945, 94466), (3170, 87761), (4619, 60230), (5662, 49135), (5890, 47233), (6023, 46190), (9238, 30115), (9827, 28310), (12046, 23095), (14155, 19654)]