210009202420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{8467}}^1$

素因数の和:8861

約数の個数: 96

約数和(自身を含む): 456696446976

約数和(自身を除く): 246687244556

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 151, 172, 191, 215, 302, 382, 430, 604, 755, 764, 860, 955, 1510, 1910, 3020, 3820, 6493, 8213, 8467, 12986, 16426, 16934, 25972, 28841, 32465, 32852, 33868, 41065, 42335, 57682, 64930, 82130, 84670, 115364, 129860, 144205, 164260, 169340, 288410, 364081, 576820, 728162, 1240163, 1278517, 1456324, 1617197, 1820405, 2480326, 2557034, 3234394, 3640810, 4960652, 5114068, 6200815, 6392585, 6468788, 7281620, 8085985, 12401630, 12785170, 16171970, 24803260, 25570340, 32343940, 54976231, 69539471, 109952462, 139078942, 219904924, 244196747, 274881155, 278157884, 347697355, 488393494, 549762310, 695394710, 976786988, 1099524620, 1220983735, 1390789420, 2441967470, 4883934940, 10500460121, 21000920242, 42001840484, 52502300605, 105004601210, 210009202420]

約数ペア:

[(1, 210009202420), (2, 105004601210), (4, 52502300605), (5, 42001840484), (10, 21000920242), (20, 10500460121), (43, 4883934940), (86, 2441967470), (151, 1390789420), (172, 1220983735), (191, 1099524620), (215, 976786988), (302, 695394710), (382, 549762310), (430, 488393494), (604, 347697355), (755, 278157884), (764, 274881155), (860, 244196747), (955, 219904924), (1510, 139078942), (1910, 109952462), (3020, 69539471), (3820, 54976231), (6493, 32343940), (8213, 25570340), (8467, 24803260), (12986, 16171970), (16426, 12785170), (16934, 12401630), (25972, 8085985), (28841, 7281620), (32465, 6468788), (32852, 6392585), (33868, 6200815), (41065, 5114068), (42335, 4960652), (57682, 3640810), (64930, 3234394), (82130, 2557034), (84670, 2480326), (115364, 1820405), (129860, 1617197), (144205, 1456324), (164260, 1278517), (169340, 1240163), (288410, 728162), (364081, 576820)]