78753950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 72

約数和(自身を含む): 166228200

約数和(自身を除く): 87474250

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 149, 155, 275, 298, 310, 341, 550, 682, 745, 775, 961, 1490, 1550, 1639, 1705, 1922, 3278, 3410, 3725, 4619, 4805, 7450, 8195, 8525, 9238, 9610, 10571, 16390, 17050, 21142, 23095, 24025, 40975, 46190, 48050, 50809, 52855, 81950, 101618, 105710, 115475, 143189, 230950, 254045, 264275, 286378, 508090, 528550, 715945, 1270225, 1431890, 1575079, 2540450, 3150158, 3579725, 7159450, 7875395, 15750790, 39376975, 78753950]

約数ペア:

[(1, 78753950), (2, 39376975), (5, 15750790), (10, 7875395), (11, 7159450), (22, 3579725), (25, 3150158), (31, 2540450), (50, 1575079), (55, 1431890), (62, 1270225), (110, 715945), (149, 528550), (155, 508090), (275, 286378), (298, 264275), (310, 254045), (341, 230950), (550, 143189), (682, 115475), (745, 105710), (775, 101618), (961, 81950), (1490, 52855), (1550, 50809), (1639, 48050), (1705, 46190), (1922, 40975), (3278, 24025), (3410, 23095), (3725, 21142), (4619, 17050), (4805, 16390), (7450, 10571), (8195, 9610), (8525, 9238)]