403900420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 1080019584

約数和(自身を除く): 676119164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 113, 121, 140, 154, 211, 220, 226, 242, 308, 385, 422, 452, 484, 565, 605, 770, 791, 844, 847, 1055, 1130, 1210, 1243, 1477, 1540, 1582, 1694, 2110, 2260, 2321, 2420, 2486, 2954, 3164, 3388, 3955, 4220, 4235, 4642, 4972, 5908, 6215, 7385, 7910, 8470, 8701, 9284, 11605, 12430, 13673, 14770, 15820, 16247, 16940, 17402, 23210, 23843, 24860, 25531, 27346, 29540, 32494, 34804, 43505, 46420, 47686, 51062, 54692, 64988, 68365, 81235, 87010, 95372, 95711, 102124, 119215, 127655, 136730, 162470, 166901, 174020, 178717, 191422, 238430, 255310, 262273, 273460, 324940, 333802, 357434, 382844, 476860, 478555, 510620, 524546, 667604, 714868, 834505, 893585, 957110, 1049092, 1311365, 1669010, 1787170, 1835911, 1914220, 2622730, 2885003, 3338020, 3574340, 3671822, 5245460, 5770006, 7343644, 9179555, 11540012, 14425015, 18359110, 20195021, 28850030, 36718220, 40390042, 57700060, 80780084, 100975105, 201950210, 403900420]

約数ペア:

[(1, 403900420), (2, 201950210), (4, 100975105), (5, 80780084), (7, 57700060), (10, 40390042), (11, 36718220), (14, 28850030), (20, 20195021), (22, 18359110), (28, 14425015), (35, 11540012), (44, 9179555), (55, 7343644), (70, 5770006), (77, 5245460), (110, 3671822), (113, 3574340), (121, 3338020), (140, 2885003), (154, 2622730), (211, 1914220), (220, 1835911), (226, 1787170), (242, 1669010), (308, 1311365), (385, 1049092), (422, 957110), (452, 893585), (484, 834505), (565, 714868), (605, 667604), (770, 524546), (791, 510620), (844, 478555), (847, 476860), (1055, 382844), (1130, 357434), (1210, 333802), (1243, 324940), (1477, 273460), (1540, 262273), (1582, 255310), (1694, 238430), (2110, 191422), (2260, 178717), (2321, 174020), (2420, 166901), (2486, 162470), (2954, 136730), (3164, 127655), (3388, 119215), (3955, 102124), (4220, 95711), (4235, 95372), (4642, 87010), (4972, 81235), (5908, 68365), (6215, 64988), (7385, 54692), (7910, 51062), (8470, 47686), (8701, 46420), (9284, 43505), (11605, 34804), (12430, 32494), (13673, 29540), (14770, 27346), (15820, 25531), (16247, 24860), (16940, 23843), (17402, 23210)]