131940340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 343816704

約数和(自身を除く): 211876364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 49, 62, 70, 86, 98, 101, 124, 140, 155, 172, 196, 202, 215, 217, 245, 301, 310, 404, 430, 434, 490, 505, 602, 620, 707, 860, 868, 980, 1010, 1085, 1204, 1333, 1414, 1505, 1519, 2020, 2107, 2170, 2666, 2828, 3010, 3038, 3131, 3535, 4214, 4340, 4343, 4949, 5332, 6020, 6076, 6262, 6665, 7070, 7595, 8428, 8686, 9331, 9898, 10535, 12524, 13330, 14140, 15190, 15655, 17372, 18662, 19796, 21070, 21715, 21917, 24745, 26660, 30380, 30401, 31310, 37324, 42140, 43430, 43834, 46655, 49490, 60802, 62620, 65317, 86860, 87668, 93310, 98980, 109585, 121604, 130634, 134633, 152005, 153419, 186620, 212807, 219170, 261268, 269266, 304010, 306838, 326585, 425614, 438340, 538532, 608020, 613676, 653170, 673165, 767095, 851228, 942431, 1064035, 1306340, 1346330, 1534190, 1884862, 2128070, 2692660, 3068380, 3769724, 4256140, 4712155, 6597017, 9424310, 13194034, 18848620, 26388068, 32985085, 65970170, 131940340]

約数ペア:

[(1, 131940340), (2, 65970170), (4, 32985085), (5, 26388068), (7, 18848620), (10, 13194034), (14, 9424310), (20, 6597017), (28, 4712155), (31, 4256140), (35, 3769724), (43, 3068380), (49, 2692660), (62, 2128070), (70, 1884862), (86, 1534190), (98, 1346330), (101, 1306340), (124, 1064035), (140, 942431), (155, 851228), (172, 767095), (196, 673165), (202, 653170), (215, 613676), (217, 608020), (245, 538532), (301, 438340), (310, 425614), (404, 326585), (430, 306838), (434, 304010), (490, 269266), (505, 261268), (602, 219170), (620, 212807), (707, 186620), (860, 153419), (868, 152005), (980, 134633), (1010, 130634), (1085, 121604), (1204, 109585), (1333, 98980), (1414, 93310), (1505, 87668), (1519, 86860), (2020, 65317), (2107, 62620), (2170, 60802), (2666, 49490), (2828, 46655), (3010, 43834), (3038, 43430), (3131, 42140), (3535, 37324), (4214, 31310), (4340, 30401), (4343, 30380), (4949, 26660), (5332, 24745), (6020, 21917), (6076, 21715), (6262, 21070), (6665, 19796), (7070, 18662), (7595, 17372), (8428, 15655), (8686, 15190), (9331, 14140), (9898, 13330), (10535, 12524)]