249877360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5303}}^1$

素因数の和:5366

約数の個数: 80

約数和(自身を含む): 631388160

約数和(自身を除く): 381510800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5303, 5890, 9424, 10606, 11780, 21212, 23560, 26515, 42424, 47120, 53030, 84848, 100757, 106060, 164393, 201514, 212120, 328786, 403028, 424240, 503785, 657572, 806056, 821965, 1007570, 1315144, 1612112, 1643930, 2015140, 2630288, 3123467, 3287860, 4030280, 6246934, 6575720, 8060560, 12493868, 13151440, 15617335, 24987736, 31234670, 49975472, 62469340, 124938680, 249877360]

約数ペア:

[(1, 249877360), (2, 124938680), (4, 62469340), (5, 49975472), (8, 31234670), (10, 24987736), (16, 15617335), (19, 13151440), (20, 12493868), (31, 8060560), (38, 6575720), (40, 6246934), (62, 4030280), (76, 3287860), (80, 3123467), (95, 2630288), (124, 2015140), (152, 1643930), (155, 1612112), (190, 1315144), (248, 1007570), (304, 821965), (310, 806056), (380, 657572), (496, 503785), (589, 424240), (620, 403028), (760, 328786), (1178, 212120), (1240, 201514), (1520, 164393), (2356, 106060), (2480, 100757), (2945, 84848), (4712, 53030), (5303, 47120), (5890, 42424), (9424, 26515), (10606, 23560), (11780, 21212)]