921567220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 2438553600

約数和(自身を除く): 1516986380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 29, 35, 46, 58, 70, 71, 92, 115, 116, 139, 140, 142, 145, 161, 203, 230, 278, 284, 290, 322, 355, 406, 460, 497, 556, 580, 644, 667, 695, 710, 805, 812, 973, 994, 1015, 1334, 1390, 1420, 1610, 1633, 1946, 1988, 2030, 2059, 2485, 2668, 2780, 3197, 3220, 3266, 3335, 3892, 4031, 4060, 4118, 4669, 4865, 4970, 6394, 6532, 6670, 8062, 8165, 8236, 9338, 9730, 9869, 9940, 10295, 11431, 12788, 13340, 14413, 15985, 16124, 16330, 18676, 19460, 19738, 20155, 20590, 22379, 22862, 23345, 28217, 28826, 31970, 32660, 39476, 40310, 41180, 44758, 45724, 46690, 47357, 49345, 56434, 57155, 57652, 63940, 69083, 72065, 80620, 89516, 92713, 93380, 94714, 98690, 111895, 112868, 114310, 138166, 141085, 144130, 185426, 189428, 197380, 223790, 226987, 228620, 236785, 276332, 282170, 286201, 288260, 331499, 345415, 370852, 447580, 453974, 463565, 473570, 564340, 572402, 648991, 662998, 690830, 907948, 927130, 947140, 1134935, 1144804, 1297982, 1325996, 1381660, 1431005, 1588909, 1657495, 1854260, 2003407, 2269870, 2595964, 2862010, 3177818, 3244955, 3314990, 4006814, 4539740, 5724020, 6355636, 6489910, 6582623, 6629980, 7944545, 8013628, 10017035, 12979820, 13165246, 15889090, 20034070, 26330492, 31778180, 32913115, 40068140, 46078361, 65826230, 92156722, 131652460, 184313444, 230391805, 460783610, 921567220]

約数ペア:

[(1, 921567220), (2, 460783610), (4, 230391805), (5, 184313444), (7, 131652460), (10, 92156722), (14, 65826230), (20, 46078361), (23, 40068140), (28, 32913115), (29, 31778180), (35, 26330492), (46, 20034070), (58, 15889090), (70, 13165246), (71, 12979820), (92, 10017035), (115, 8013628), (116, 7944545), (139, 6629980), (140, 6582623), (142, 6489910), (145, 6355636), (161, 5724020), (203, 4539740), (230, 4006814), (278, 3314990), (284, 3244955), (290, 3177818), (322, 2862010), (355, 2595964), (406, 2269870), (460, 2003407), (497, 1854260), (556, 1657495), (580, 1588909), (644, 1431005), (667, 1381660), (695, 1325996), (710, 1297982), (805, 1144804), (812, 1134935), (973, 947140), (994, 927130), (1015, 907948), (1334, 690830), (1390, 662998), (1420, 648991), (1610, 572402), (1633, 564340), (1946, 473570), (1988, 463565), (2030, 453974), (2059, 447580), (2485, 370852), (2668, 345415), (2780, 331499), (3197, 288260), (3220, 286201), (3266, 282170), (3335, 276332), (3892, 236785), (4031, 228620), (4060, 226987), (4118, 223790), (4669, 197380), (4865, 189428), (4970, 185426), (6394, 144130), (6532, 141085), (6670, 138166), (8062, 114310), (8165, 112868), (8236, 111895), (9338, 98690), (9730, 94714), (9869, 93380), (9940, 92713), (10295, 89516), (11431, 80620), (12788, 72065), (13340, 69083), (14413, 63940), (15985, 57652), (16124, 57155), (16330, 56434), (18676, 49345), (19460, 47357), (19738, 46690), (20155, 45724), (20590, 44758), (22379, 41180), (22862, 40310), (23345, 39476), (28217, 32660), (28826, 31970)]