397296840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1$

素因数の和:947

約数の個数: 128

約数和(自身を含む): 1261209600

約数和(自身を除く): 863912760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 271, 285, 380, 456, 542, 570, 643, 760, 813, 1084, 1140, 1286, 1355, 1626, 1929, 2168, 2280, 2572, 2710, 3215, 3252, 3858, 4065, 5144, 5149, 5420, 6430, 6504, 7716, 8130, 9645, 10298, 10840, 12217, 12860, 15432, 15447, 16260, 19290, 20596, 24434, 25720, 25745, 30894, 32520, 36651, 38580, 41192, 48868, 51490, 61085, 61788, 73302, 77160, 77235, 97736, 102980, 122170, 123576, 146604, 154470, 174253, 183255, 205960, 244340, 293208, 308940, 348506, 366510, 488680, 522759, 617880, 697012, 733020, 871265, 1045518, 1394024, 1466040, 1742530, 2091036, 2613795, 3310807, 3485060, 4182072, 5227590, 6621614, 6970120, 9932421, 10455180, 13243228, 16554035, 19864842, 20910360, 26486456, 33108070, 39729684, 49662105, 66216140, 79459368, 99324210, 132432280, 198648420, 397296840]

約数ペア:

[(1, 397296840), (2, 198648420), (3, 132432280), (4, 99324210), (5, 79459368), (6, 66216140), (8, 49662105), (10, 39729684), (12, 33108070), (15, 26486456), (19, 20910360), (20, 19864842), (24, 16554035), (30, 13243228), (38, 10455180), (40, 9932421), (57, 6970120), (60, 6621614), (76, 5227590), (95, 4182072), (114, 3485060), (120, 3310807), (152, 2613795), (190, 2091036), (228, 1742530), (271, 1466040), (285, 1394024), (380, 1045518), (456, 871265), (542, 733020), (570, 697012), (643, 617880), (760, 522759), (813, 488680), (1084, 366510), (1140, 348506), (1286, 308940), (1355, 293208), (1626, 244340), (1929, 205960), (2168, 183255), (2280, 174253), (2572, 154470), (2710, 146604), (3215, 123576), (3252, 122170), (3858, 102980), (4065, 97736), (5144, 77235), (5149, 77160), (5420, 73302), (6430, 61788), (6504, 61085), (7716, 51490), (8130, 48868), (9645, 41192), (10298, 38580), (10840, 36651), (12217, 32520), (12860, 30894), (15432, 25745), (15447, 25720), (16260, 24434), (19290, 20596)]