388726275920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{569579}}^1$

素因数の和:570060

約数の個数: 80

約数和(自身を含む): 953476920000

約数和(自身を除く): 564750644080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 449, 760, 898, 1520, 1796, 2245, 3592, 4490, 7184, 8531, 8980, 17062, 17960, 34124, 35920, 42655, 68248, 85310, 136496, 170620, 341240, 569579, 682480, 1139158, 2278316, 2847895, 4556632, 5695790, 9113264, 10822001, 11391580, 21644002, 22783160, 43288004, 45566320, 54110005, 86576008, 108220010, 173152016, 216440020, 255740971, 432880040, 511481942, 865760080, 1022963884, 1278704855, 2045927768, 2557409710, 4091855536, 4859078449, 5114819420, 9718156898, 10229638840, 19436313796, 20459277680, 24295392245, 38872627592, 48590784490, 77745255184, 97181568980, 194363137960, 388726275920]

約数ペア:

[(1, 388726275920), (2, 194363137960), (4, 97181568980), (5, 77745255184), (8, 48590784490), (10, 38872627592), (16, 24295392245), (19, 20459277680), (20, 19436313796), (38, 10229638840), (40, 9718156898), (76, 5114819420), (80, 4859078449), (95, 4091855536), (152, 2557409710), (190, 2045927768), (304, 1278704855), (380, 1022963884), (449, 865760080), (760, 511481942), (898, 432880040), (1520, 255740971), (1796, 216440020), (2245, 173152016), (3592, 108220010), (4490, 86576008), (7184, 54110005), (8531, 45566320), (8980, 43288004), (17062, 22783160), (17960, 21644002), (34124, 11391580), (35920, 10822001), (42655, 9113264), (68248, 5695790), (85310, 4556632), (136496, 2847895), (170620, 2278316), (341240, 1139158), (569579, 682480)]