188904080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 480754944

約数和(自身を除く): 291850864

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 211, 248, 304, 310, 361, 380, 422, 496, 589, 620, 722, 760, 844, 1055, 1178, 1240, 1444, 1520, 1688, 1805, 2110, 2356, 2480, 2888, 2945, 3376, 3610, 4009, 4220, 4712, 5776, 5890, 6541, 7220, 8018, 8440, 9424, 11191, 11780, 13082, 14440, 16036, 16880, 20045, 22382, 23560, 26164, 28880, 32072, 32705, 40090, 44764, 47120, 52328, 55955, 64144, 65410, 76171, 80180, 89528, 104656, 111910, 124279, 130820, 152342, 160360, 179056, 223820, 248558, 261640, 304684, 320720, 380855, 447640, 497116, 523280, 609368, 621395, 761710, 895280, 994232, 1218736, 1242790, 1523420, 1988464, 2361301, 2485580, 3046840, 4722602, 4971160, 6093680, 9445204, 9942320, 11806505, 18890408, 23613010, 37780816, 47226020, 94452040, 188904080]

約数ペア:

[(1, 188904080), (2, 94452040), (4, 47226020), (5, 37780816), (8, 23613010), (10, 18890408), (16, 11806505), (19, 9942320), (20, 9445204), (31, 6093680), (38, 4971160), (40, 4722602), (62, 3046840), (76, 2485580), (80, 2361301), (95, 1988464), (124, 1523420), (152, 1242790), (155, 1218736), (190, 994232), (211, 895280), (248, 761710), (304, 621395), (310, 609368), (361, 523280), (380, 497116), (422, 447640), (496, 380855), (589, 320720), (620, 304684), (722, 261640), (760, 248558), (844, 223820), (1055, 179056), (1178, 160360), (1240, 152342), (1444, 130820), (1520, 124279), (1688, 111910), (1805, 104656), (2110, 89528), (2356, 80180), (2480, 76171), (2888, 65410), (2945, 64144), (3376, 55955), (3610, 52328), (4009, 47120), (4220, 44764), (4712, 40090), (5776, 32705), (5890, 32072), (6541, 28880), (7220, 26164), (8018, 23560), (8440, 22382), (9424, 20045), (11191, 16880), (11780, 16036), (13082, 14440)]