397495920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:463

約数の個数: 160

約数和(自身を含む): 1272775680

約数和(自身を除く): 875279760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 131, 141, 188, 235, 240, 262, 269, 282, 376, 393, 470, 524, 538, 564, 655, 705, 752, 786, 807, 940, 1048, 1076, 1128, 1310, 1345, 1410, 1572, 1614, 1880, 1965, 2096, 2152, 2256, 2620, 2690, 2820, 3144, 3228, 3760, 3930, 4035, 4304, 5240, 5380, 5640, 6157, 6288, 6456, 7860, 8070, 10480, 10760, 11280, 12314, 12643, 12912, 15720, 16140, 18471, 21520, 24628, 25286, 30785, 31440, 32280, 35239, 36942, 37929, 49256, 50572, 61570, 63215, 64560, 70478, 73884, 75858, 92355, 98512, 101144, 105717, 123140, 126430, 140956, 147768, 151716, 176195, 184710, 189645, 202288, 211434, 246280, 252860, 281912, 295536, 303432, 352390, 369420, 379290, 422868, 492560, 505720, 528585, 563824, 606864, 704780, 738840, 758580, 845736, 1011440, 1057170, 1409560, 1477680, 1517160, 1656233, 1691472, 2114340, 2819120, 3034320, 3312466, 4228680, 4968699, 6624932, 8281165, 8457360, 9937398, 13249864, 16562330, 19874796, 24843495, 26499728, 33124660, 39749592, 49686990, 66249320, 79499184, 99373980, 132498640, 198747960, 397495920]

約数ペア:

[(1, 397495920), (2, 198747960), (3, 132498640), (4, 99373980), (5, 79499184), (6, 66249320), (8, 49686990), (10, 39749592), (12, 33124660), (15, 26499728), (16, 24843495), (20, 19874796), (24, 16562330), (30, 13249864), (40, 9937398), (47, 8457360), (48, 8281165), (60, 6624932), (80, 4968699), (94, 4228680), (120, 3312466), (131, 3034320), (141, 2819120), (188, 2114340), (235, 1691472), (240, 1656233), (262, 1517160), (269, 1477680), (282, 1409560), (376, 1057170), (393, 1011440), (470, 845736), (524, 758580), (538, 738840), (564, 704780), (655, 606864), (705, 563824), (752, 528585), (786, 505720), (807, 492560), (940, 422868), (1048, 379290), (1076, 369420), (1128, 352390), (1310, 303432), (1345, 295536), (1410, 281912), (1572, 252860), (1614, 246280), (1880, 211434), (1965, 202288), (2096, 189645), (2152, 184710), (2256, 176195), (2620, 151716), (2690, 147768), (2820, 140956), (3144, 126430), (3228, 123140), (3760, 105717), (3930, 101144), (4035, 98512), (4304, 92355), (5240, 75858), (5380, 73884), (5640, 70478), (6157, 64560), (6288, 63215), (6456, 61570), (7860, 50572), (8070, 49256), (10480, 37929), (10760, 36942), (11280, 35239), (12314, 32280), (12643, 31440), (12912, 30785), (15720, 25286), (16140, 24628), (18471, 21520)]