278626040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1483}}^1$

素因数の和:1573

約数の個数: 128

約数和(自身を含む): 794949120

約数和(自身を除く): 516323080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 110, 122, 140, 154, 220, 244, 280, 305, 308, 385, 427, 440, 488, 610, 616, 671, 770, 854, 1220, 1342, 1483, 1540, 1708, 2135, 2440, 2684, 2966, 3080, 3355, 3416, 4270, 4697, 5368, 5932, 6710, 7415, 8540, 9394, 10381, 11864, 13420, 14830, 16313, 17080, 18788, 20762, 23485, 26840, 29660, 32626, 37576, 41524, 46970, 51905, 59320, 65252, 81565, 83048, 90463, 93940, 103810, 114191, 130504, 163130, 180926, 187880, 207620, 228382, 326260, 361852, 415240, 452315, 456764, 570955, 633241, 652520, 723704, 904630, 913528, 995093, 1141910, 1266482, 1809260, 1990186, 2283820, 2532964, 3166205, 3618520, 3980372, 4567640, 4975465, 5065928, 6332410, 6965651, 7960744, 9950930, 12664820, 13931302, 19901860, 25329640, 27862604, 34828255, 39803720, 55725208, 69656510, 139313020, 278626040]

約数ペア:

[(1, 278626040), (2, 139313020), (4, 69656510), (5, 55725208), (7, 39803720), (8, 34828255), (10, 27862604), (11, 25329640), (14, 19901860), (20, 13931302), (22, 12664820), (28, 9950930), (35, 7960744), (40, 6965651), (44, 6332410), (55, 5065928), (56, 4975465), (61, 4567640), (70, 3980372), (77, 3618520), (88, 3166205), (110, 2532964), (122, 2283820), (140, 1990186), (154, 1809260), (220, 1266482), (244, 1141910), (280, 995093), (305, 913528), (308, 904630), (385, 723704), (427, 652520), (440, 633241), (488, 570955), (610, 456764), (616, 452315), (671, 415240), (770, 361852), (854, 326260), (1220, 228382), (1342, 207620), (1483, 187880), (1540, 180926), (1708, 163130), (2135, 130504), (2440, 114191), (2684, 103810), (2966, 93940), (3080, 90463), (3355, 83048), (3416, 81565), (4270, 65252), (4697, 59320), (5368, 51905), (5932, 46970), (6710, 41524), (7415, 37576), (8540, 32626), (9394, 29660), (10381, 26840), (11864, 23485), (13420, 20762), (14830, 18788), (16313, 17080)]