217717640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:951

約数の個数: 128

約数和(自身を含む): 604661760

約数和(自身を除く): 386944120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 53, 56, 68, 70, 85, 106, 119, 136, 140, 170, 212, 238, 265, 280, 340, 371, 424, 476, 530, 595, 680, 742, 863, 901, 952, 1060, 1190, 1484, 1726, 1802, 1855, 2120, 2380, 2968, 3452, 3604, 3710, 4315, 4505, 4760, 6041, 6307, 6904, 7208, 7420, 8630, 9010, 12082, 12614, 14671, 14840, 17260, 18020, 24164, 25228, 29342, 30205, 31535, 34520, 36040, 45739, 48328, 50456, 58684, 60410, 63070, 73355, 91478, 102697, 117368, 120820, 126140, 146710, 182956, 205394, 228695, 241640, 252280, 293420, 320173, 365912, 410788, 457390, 513485, 586840, 640346, 777563, 821576, 914780, 1026970, 1280692, 1555126, 1600865, 1829560, 2053940, 2561384, 3110252, 3201730, 3887815, 4107880, 5442941, 6220504, 6403460, 7775630, 10885882, 12806920, 15551260, 21771764, 27214705, 31102520, 43543528, 54429410, 108858820, 217717640]

約数ペア:

[(1, 217717640), (2, 108858820), (4, 54429410), (5, 43543528), (7, 31102520), (8, 27214705), (10, 21771764), (14, 15551260), (17, 12806920), (20, 10885882), (28, 7775630), (34, 6403460), (35, 6220504), (40, 5442941), (53, 4107880), (56, 3887815), (68, 3201730), (70, 3110252), (85, 2561384), (106, 2053940), (119, 1829560), (136, 1600865), (140, 1555126), (170, 1280692), (212, 1026970), (238, 914780), (265, 821576), (280, 777563), (340, 640346), (371, 586840), (424, 513485), (476, 457390), (530, 410788), (595, 365912), (680, 320173), (742, 293420), (863, 252280), (901, 241640), (952, 228695), (1060, 205394), (1190, 182956), (1484, 146710), (1726, 126140), (1802, 120820), (1855, 117368), (2120, 102697), (2380, 91478), (2968, 73355), (3452, 63070), (3604, 60410), (3710, 58684), (4315, 50456), (4505, 48328), (4760, 45739), (6041, 36040), (6307, 34520), (6904, 31535), (7208, 30205), (7420, 29342), (8630, 25228), (9010, 24164), (12082, 18020), (12614, 17260), (14671, 14840)]