209323140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^2$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 654147648

約数和(自身を除く): 444824508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 79, 86, 129, 130, 156, 158, 172, 195, 215, 237, 258, 260, 316, 390, 395, 430, 474, 516, 559, 645, 780, 790, 860, 948, 1027, 1118, 1185, 1290, 1580, 1677, 2054, 2236, 2370, 2580, 2795, 3081, 3354, 3397, 4108, 4740, 5135, 5590, 6162, 6241, 6708, 6794, 8385, 10191, 10270, 11180, 12324, 12482, 13588, 15405, 16770, 16985, 18723, 20382, 20540, 24964, 30810, 31205, 33540, 33970, 37446, 40764, 44161, 50955, 61620, 62410, 67940, 74892, 81133, 88322, 93615, 101910, 124820, 132483, 162266, 176644, 187230, 203820, 220805, 243399, 264966, 268363, 324532, 374460, 405665, 441610, 486798, 529932, 536726, 662415, 805089, 811330, 883220, 973596, 1073452, 1216995, 1324830, 1341815, 1610178, 1622660, 2433990, 2649660, 2683630, 3220356, 3488719, 4025445, 4867980, 5367260, 6977438, 8050890, 10466157, 13954876, 16101780, 17443595, 20932314, 34887190, 41864628, 52330785, 69774380, 104661570, 209323140]

約数ペア:

[(1, 209323140), (2, 104661570), (3, 69774380), (4, 52330785), (5, 41864628), (6, 34887190), (10, 20932314), (12, 17443595), (13, 16101780), (15, 13954876), (20, 10466157), (26, 8050890), (30, 6977438), (39, 5367260), (43, 4867980), (52, 4025445), (60, 3488719), (65, 3220356), (78, 2683630), (79, 2649660), (86, 2433990), (129, 1622660), (130, 1610178), (156, 1341815), (158, 1324830), (172, 1216995), (195, 1073452), (215, 973596), (237, 883220), (258, 811330), (260, 805089), (316, 662415), (390, 536726), (395, 529932), (430, 486798), (474, 441610), (516, 405665), (559, 374460), (645, 324532), (780, 268363), (790, 264966), (860, 243399), (948, 220805), (1027, 203820), (1118, 187230), (1185, 176644), (1290, 162266), (1580, 132483), (1677, 124820), (2054, 101910), (2236, 93615), (2370, 88322), (2580, 81133), (2795, 74892), (3081, 67940), (3354, 62410), (3397, 61620), (4108, 50955), (4740, 44161), (5135, 40764), (5590, 37446), (6162, 33970), (6241, 33540), (6708, 31205), (6794, 30810), (8385, 24964), (10191, 20540), (10270, 20382), (11180, 18723), (12324, 16985), (12482, 16770), (13588, 15405)]