30698990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 69341184

約数和(自身を除く): 38642194

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 43, 47, 49, 62, 70, 86, 94, 98, 155, 215, 217, 235, 245, 301, 310, 329, 430, 434, 470, 490, 602, 658, 1085, 1333, 1457, 1505, 1519, 1645, 2021, 2107, 2170, 2303, 2666, 2914, 3010, 3038, 3290, 4042, 4214, 4606, 6665, 7285, 7595, 9331, 10105, 10199, 10535, 11515, 13330, 14147, 14570, 15190, 18662, 20210, 20398, 21070, 23030, 28294, 46655, 50995, 62651, 65317, 70735, 71393, 93310, 99029, 101990, 125302, 130634, 141470, 142786, 198058, 313255, 326585, 356965, 438557, 495145, 626510, 653170, 713930, 877114, 990290, 2192785, 3069899, 4385570, 6139798, 15349495, 30698990]

約数ペア:

[(1, 30698990), (2, 15349495), (5, 6139798), (7, 4385570), (10, 3069899), (14, 2192785), (31, 990290), (35, 877114), (43, 713930), (47, 653170), (49, 626510), (62, 495145), (70, 438557), (86, 356965), (94, 326585), (98, 313255), (155, 198058), (215, 142786), (217, 141470), (235, 130634), (245, 125302), (301, 101990), (310, 99029), (329, 93310), (430, 71393), (434, 70735), (470, 65317), (490, 62651), (602, 50995), (658, 46655), (1085, 28294), (1333, 23030), (1457, 21070), (1505, 20398), (1519, 20210), (1645, 18662), (2021, 15190), (2107, 14570), (2170, 14147), (2303, 13330), (2666, 11515), (2914, 10535), (3010, 10199), (3038, 10105), (3290, 9331), (4042, 7595), (4214, 7285), (4606, 6665)]