251159480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2365

約数の個数: 128

約数和(自身を含む): 699148800

約数和(自身を除く): 447989320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 418, 440, 494, 520, 572, 715, 760, 836, 988, 1045, 1144, 1235, 1430, 1672, 1976, 2090, 2311, 2470, 2717, 2860, 4180, 4622, 4940, 5434, 5720, 8360, 9244, 9880, 10868, 11555, 13585, 18488, 21736, 23110, 25421, 27170, 30043, 43909, 46220, 50842, 54340, 60086, 87818, 92440, 101684, 108680, 120172, 127105, 150215, 175636, 203368, 219545, 240344, 254210, 300430, 330473, 351272, 439090, 482999, 508420, 570817, 600860, 660946, 878180, 965998, 1016840, 1141634, 1201720, 1321892, 1652365, 1756360, 1931996, 2283268, 2414995, 2643784, 2854085, 3304730, 3863992, 4566536, 4829990, 5708170, 6278987, 6609460, 9659980, 11416340, 12557974, 13218920, 19319960, 22832680, 25115948, 31394935, 50231896, 62789870, 125579740, 251159480]

約数ペア:

[(1, 251159480), (2, 125579740), (4, 62789870), (5, 50231896), (8, 31394935), (10, 25115948), (11, 22832680), (13, 19319960), (19, 13218920), (20, 12557974), (22, 11416340), (26, 9659980), (38, 6609460), (40, 6278987), (44, 5708170), (52, 4829990), (55, 4566536), (65, 3863992), (76, 3304730), (88, 2854085), (95, 2643784), (104, 2414995), (110, 2283268), (130, 1931996), (143, 1756360), (152, 1652365), (190, 1321892), (209, 1201720), (220, 1141634), (247, 1016840), (260, 965998), (286, 878180), (380, 660946), (418, 600860), (440, 570817), (494, 508420), (520, 482999), (572, 439090), (715, 351272), (760, 330473), (836, 300430), (988, 254210), (1045, 240344), (1144, 219545), (1235, 203368), (1430, 175636), (1672, 150215), (1976, 127105), (2090, 120172), (2311, 108680), (2470, 101684), (2717, 92440), (2860, 87818), (4180, 60086), (4622, 54340), (4940, 50842), (5434, 46220), (5720, 43909), (8360, 30043), (9244, 27170), (9880, 25421), (10868, 23110), (11555, 21736), (13585, 18488)]