252455840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2477}}^1$

素因数の和:2519

約数の個数: 144

約数和(自身を含む): 747473832

約数和(自身を除く): 495017992

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2477, 2548, 2912, 3185, 3640, 3920, 4954, 5096, 6370, 7280, 7840, 9908, 10192, 12385, 12740, 14560, 17339, 19816, 20384, 24770, 25480, 32201, 34678, 39632, 49540, 50960, 64402, 69356, 79264, 86695, 99080, 101920, 121373, 128804, 138712, 161005, 173390, 198160, 225407, 242746, 257608, 277424, 322010, 346780, 396320, 450814, 485492, 515216, 554848, 606865, 644020, 693560, 901628, 970984, 1030432, 1127035, 1213730, 1288040, 1387120, 1577849, 1803256, 1941968, 2254070, 2427460, 2576080, 2774240, 3155698, 3606512, 3883936, 4508140, 4854920, 5152160, 6311396, 7213024, 7889245, 9016280, 9709840, 12622792, 15778490, 18032560, 19419680, 25245584, 31556980, 36065120, 50491168, 63113960, 126227920, 252455840]

約数ペア:

[(1, 252455840), (2, 126227920), (4, 63113960), (5, 50491168), (7, 36065120), (8, 31556980), (10, 25245584), (13, 19419680), (14, 18032560), (16, 15778490), (20, 12622792), (26, 9709840), (28, 9016280), (32, 7889245), (35, 7213024), (40, 6311396), (49, 5152160), (52, 4854920), (56, 4508140), (65, 3883936), (70, 3606512), (80, 3155698), (91, 2774240), (98, 2576080), (104, 2427460), (112, 2254070), (130, 1941968), (140, 1803256), (160, 1577849), (182, 1387120), (196, 1288040), (208, 1213730), (224, 1127035), (245, 1030432), (260, 970984), (280, 901628), (364, 693560), (392, 644020), (416, 606865), (455, 554848), (490, 515216), (520, 485492), (560, 450814), (637, 396320), (728, 346780), (784, 322010), (910, 277424), (980, 257608), (1040, 242746), (1120, 225407), (1274, 198160), (1456, 173390), (1568, 161005), (1820, 138712), (1960, 128804), (2080, 121373), (2477, 101920), (2548, 99080), (2912, 86695), (3185, 79264), (3640, 69356), (3920, 64402), (4954, 50960), (5096, 49540), (6370, 39632), (7280, 34678), (7840, 32201), (9908, 25480), (10192, 24770), (12385, 20384), (12740, 19816), (14560, 17339)]