397999710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 1098921600

約数和(自身を除く): 700921890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 82, 90, 123, 135, 157, 205, 229, 246, 270, 314, 369, 410, 458, 471, 615, 687, 738, 785, 942, 1107, 1145, 1230, 1374, 1413, 1570, 1845, 2061, 2214, 2290, 2355, 2826, 3435, 3690, 4122, 4239, 4710, 5535, 6183, 6437, 6870, 7065, 8478, 9389, 10305, 11070, 12366, 12874, 14130, 18778, 19311, 20610, 21195, 28167, 30915, 32185, 35953, 38622, 42390, 46945, 56334, 57933, 61830, 64370, 71906, 84501, 93890, 96555, 107859, 115866, 140835, 169002, 173799, 179765, 193110, 215718, 253503, 281670, 289665, 323577, 347598, 359530, 422505, 507006, 539295, 579330, 647154, 845010, 868995, 970731, 1078590, 1267515, 1474073, 1617885, 1737990, 1941462, 2535030, 2948146, 3235770, 4422219, 4853655, 7370365, 8844438, 9707310, 13266657, 14740730, 22111095, 26533314, 39799971, 44222190, 66333285, 79599942, 132666570, 198999855, 397999710]

約数ペア:

[(1, 397999710), (2, 198999855), (3, 132666570), (5, 79599942), (6, 66333285), (9, 44222190), (10, 39799971), (15, 26533314), (18, 22111095), (27, 14740730), (30, 13266657), (41, 9707310), (45, 8844438), (54, 7370365), (82, 4853655), (90, 4422219), (123, 3235770), (135, 2948146), (157, 2535030), (205, 1941462), (229, 1737990), (246, 1617885), (270, 1474073), (314, 1267515), (369, 1078590), (410, 970731), (458, 868995), (471, 845010), (615, 647154), (687, 579330), (738, 539295), (785, 507006), (942, 422505), (1107, 359530), (1145, 347598), (1230, 323577), (1374, 289665), (1413, 281670), (1570, 253503), (1845, 215718), (2061, 193110), (2214, 179765), (2290, 173799), (2355, 169002), (2826, 140835), (3435, 115866), (3690, 107859), (4122, 96555), (4239, 93890), (4710, 84501), (5535, 71906), (6183, 64370), (6437, 61830), (6870, 57933), (7065, 56334), (8478, 46945), (9389, 42390), (10305, 38622), (11070, 35953), (12366, 32185), (12874, 30915), (14130, 28167), (18778, 21195), (19311, 20610)]