7344740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 17431848

約数和(自身を除く): 10087108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 53, 65, 82, 106, 130, 164, 169, 205, 212, 260, 265, 338, 410, 530, 533, 676, 689, 820, 845, 1060, 1066, 1378, 1690, 2132, 2173, 2665, 2756, 3380, 3445, 4346, 5330, 6890, 6929, 8692, 8957, 10660, 10865, 13780, 13858, 17914, 21730, 27716, 28249, 34645, 35828, 43460, 44785, 56498, 69290, 89570, 112996, 138580, 141245, 179140, 282490, 367237, 564980, 734474, 1468948, 1836185, 3672370, 7344740]

約数ペア:

[(1, 7344740), (2, 3672370), (4, 1836185), (5, 1468948), (10, 734474), (13, 564980), (20, 367237), (26, 282490), (41, 179140), (52, 141245), (53, 138580), (65, 112996), (82, 89570), (106, 69290), (130, 56498), (164, 44785), (169, 43460), (205, 35828), (212, 34645), (260, 28249), (265, 27716), (338, 21730), (410, 17914), (530, 13858), (533, 13780), (676, 10865), (689, 10660), (820, 8957), (845, 8692), (1060, 6929), (1066, 6890), (1378, 5330), (1690, 4346), (2132, 3445), (2173, 3380), (2665, 2756)]