218559080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 522077400

約数和(自身を除く): 303518320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 89, 116, 145, 146, 178, 232, 290, 292, 356, 365, 445, 580, 584, 712, 730, 841, 890, 1160, 1460, 1682, 1780, 2117, 2581, 2920, 3364, 3560, 4205, 4234, 5162, 6497, 6728, 8410, 8468, 10324, 10585, 12905, 12994, 16820, 16936, 20648, 21170, 25810, 25988, 32485, 33640, 42340, 51620, 51976, 61393, 64970, 74849, 84680, 103240, 122786, 129940, 149698, 188413, 245572, 259880, 299396, 306965, 374245, 376826, 491144, 598792, 613930, 748490, 753652, 942065, 1227860, 1496980, 1507304, 1884130, 2455720, 2993960, 3768260, 5463977, 7536520, 10927954, 21855908, 27319885, 43711816, 54639770, 109279540, 218559080]

約数ペア:

[(1, 218559080), (2, 109279540), (4, 54639770), (5, 43711816), (8, 27319885), (10, 21855908), (20, 10927954), (29, 7536520), (40, 5463977), (58, 3768260), (73, 2993960), (89, 2455720), (116, 1884130), (145, 1507304), (146, 1496980), (178, 1227860), (232, 942065), (290, 753652), (292, 748490), (356, 613930), (365, 598792), (445, 491144), (580, 376826), (584, 374245), (712, 306965), (730, 299396), (841, 259880), (890, 245572), (1160, 188413), (1460, 149698), (1682, 129940), (1780, 122786), (2117, 103240), (2581, 84680), (2920, 74849), (3364, 64970), (3560, 61393), (4205, 51976), (4234, 51620), (5162, 42340), (6497, 33640), (6728, 32485), (8410, 25988), (8468, 25810), (10324, 21170), (10585, 20648), (12905, 16936), (12994, 16820)]