210623920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 559964160

約数和(自身を除く): 349340240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 47, 52, 62, 65, 80, 94, 104, 124, 130, 139, 155, 188, 208, 235, 248, 260, 278, 310, 376, 403, 470, 496, 520, 556, 611, 620, 695, 752, 806, 940, 1040, 1112, 1222, 1240, 1390, 1457, 1612, 1807, 1880, 2015, 2224, 2444, 2480, 2780, 2914, 3055, 3224, 3614, 3760, 4030, 4309, 4888, 5560, 5828, 6110, 6448, 6533, 7228, 7285, 8060, 8618, 9035, 9776, 11120, 11656, 12220, 13066, 14456, 14570, 16120, 17236, 18070, 18941, 21545, 23312, 24440, 26132, 28912, 29140, 32240, 32665, 34472, 36140, 37882, 43090, 48880, 52264, 56017, 58280, 65330, 68944, 72280, 75764, 84929, 86180, 94705, 104528, 112034, 116560, 130660, 144560, 151528, 169858, 172360, 189410, 202523, 224068, 261320, 280085, 303056, 339716, 344720, 378820, 405046, 424645, 448136, 522640, 560170, 679432, 757640, 810092, 849290, 896272, 1012615, 1120340, 1358864, 1515280, 1620184, 1698580, 2025230, 2240680, 2632799, 3240368, 3397160, 4050460, 4481360, 5265598, 6794320, 8100920, 10531196, 13163995, 16201840, 21062392, 26327990, 42124784, 52655980, 105311960, 210623920]

約数ペア:

[(1, 210623920), (2, 105311960), (4, 52655980), (5, 42124784), (8, 26327990), (10, 21062392), (13, 16201840), (16, 13163995), (20, 10531196), (26, 8100920), (31, 6794320), (40, 5265598), (47, 4481360), (52, 4050460), (62, 3397160), (65, 3240368), (80, 2632799), (94, 2240680), (104, 2025230), (124, 1698580), (130, 1620184), (139, 1515280), (155, 1358864), (188, 1120340), (208, 1012615), (235, 896272), (248, 849290), (260, 810092), (278, 757640), (310, 679432), (376, 560170), (403, 522640), (470, 448136), (496, 424645), (520, 405046), (556, 378820), (611, 344720), (620, 339716), (695, 303056), (752, 280085), (806, 261320), (940, 224068), (1040, 202523), (1112, 189410), (1222, 172360), (1240, 169858), (1390, 151528), (1457, 144560), (1612, 130660), (1807, 116560), (1880, 112034), (2015, 104528), (2224, 94705), (2444, 86180), (2480, 84929), (2780, 75764), (2914, 72280), (3055, 68944), (3224, 65330), (3614, 58280), (3760, 56017), (4030, 52264), (4309, 48880), (4888, 43090), (5560, 37882), (5828, 36140), (6110, 34472), (6448, 32665), (6533, 32240), (7228, 29140), (7285, 28912), (8060, 26132), (8618, 24440), (9035, 23312), (9776, 21545), (11120, 18941), (11656, 18070), (12220, 17236), (13066, 16120), (14456, 14570)]