431310440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 128

約数和(自身を含む): 1107025920

約数和(自身を除く): 675715480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 103, 110, 124, 155, 206, 220, 248, 307, 310, 341, 412, 440, 515, 614, 620, 682, 824, 1030, 1133, 1228, 1240, 1364, 1535, 1705, 2060, 2266, 2456, 2728, 3070, 3193, 3377, 3410, 4120, 4532, 5665, 6140, 6386, 6754, 6820, 9064, 9517, 11330, 12280, 12772, 13508, 13640, 15965, 16885, 19034, 22660, 25544, 27016, 31621, 31930, 33770, 35123, 38068, 45320, 47585, 63242, 63860, 67540, 70246, 76136, 95170, 104687, 126484, 127720, 135080, 140492, 158105, 175615, 190340, 209374, 252968, 280984, 316210, 347831, 351230, 380680, 418748, 523435, 632420, 695662, 702460, 837496, 980251, 1046870, 1264840, 1391324, 1404920, 1739155, 1960502, 2093740, 2782648, 3478310, 3921004, 4187480, 4901255, 6956620, 7842008, 9802510, 10782761, 13913240, 19605020, 21565522, 39210040, 43131044, 53913805, 86262088, 107827610, 215655220, 431310440]

約数ペア:

[(1, 431310440), (2, 215655220), (4, 107827610), (5, 86262088), (8, 53913805), (10, 43131044), (11, 39210040), (20, 21565522), (22, 19605020), (31, 13913240), (40, 10782761), (44, 9802510), (55, 7842008), (62, 6956620), (88, 4901255), (103, 4187480), (110, 3921004), (124, 3478310), (155, 2782648), (206, 2093740), (220, 1960502), (248, 1739155), (307, 1404920), (310, 1391324), (341, 1264840), (412, 1046870), (440, 980251), (515, 837496), (614, 702460), (620, 695662), (682, 632420), (824, 523435), (1030, 418748), (1133, 380680), (1228, 351230), (1240, 347831), (1364, 316210), (1535, 280984), (1705, 252968), (2060, 209374), (2266, 190340), (2456, 175615), (2728, 158105), (3070, 140492), (3193, 135080), (3377, 127720), (3410, 126484), (4120, 104687), (4532, 95170), (5665, 76136), (6140, 70246), (6386, 67540), (6754, 63860), (6820, 63242), (9064, 47585), (9517, 45320), (11330, 38068), (12280, 35123), (12772, 33770), (13508, 31930), (13640, 31621), (15965, 27016), (16885, 25544), (19034, 22660)]