16982420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 47190528

約数和(自身を除く): 30208108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 43, 49, 52, 62, 65, 70, 86, 91, 98, 124, 130, 140, 155, 172, 182, 196, 215, 217, 245, 260, 301, 310, 364, 403, 430, 434, 455, 490, 559, 602, 620, 637, 806, 860, 868, 910, 980, 1085, 1118, 1204, 1274, 1333, 1505, 1519, 1612, 1820, 2015, 2107, 2170, 2236, 2548, 2666, 2795, 2821, 3010, 3038, 3185, 3913, 4030, 4214, 4340, 5332, 5590, 5642, 6020, 6076, 6370, 6665, 7595, 7826, 8060, 8428, 9331, 10535, 11180, 11284, 12740, 13330, 14105, 15190, 15652, 17329, 18662, 19565, 19747, 21070, 26660, 27391, 28210, 30380, 34658, 37324, 39130, 39494, 42140, 46655, 54782, 56420, 65317, 69316, 78260, 78988, 86645, 93310, 98735, 109564, 121303, 130634, 136955, 173290, 186620, 197470, 242606, 261268, 273910, 326585, 346580, 394940, 485212, 547820, 606515, 653170, 849121, 1213030, 1306340, 1698242, 2426060, 3396484, 4245605, 8491210, 16982420]

約数ペア:

[(1, 16982420), (2, 8491210), (4, 4245605), (5, 3396484), (7, 2426060), (10, 1698242), (13, 1306340), (14, 1213030), (20, 849121), (26, 653170), (28, 606515), (31, 547820), (35, 485212), (43, 394940), (49, 346580), (52, 326585), (62, 273910), (65, 261268), (70, 242606), (86, 197470), (91, 186620), (98, 173290), (124, 136955), (130, 130634), (140, 121303), (155, 109564), (172, 98735), (182, 93310), (196, 86645), (215, 78988), (217, 78260), (245, 69316), (260, 65317), (301, 56420), (310, 54782), (364, 46655), (403, 42140), (430, 39494), (434, 39130), (455, 37324), (490, 34658), (559, 30380), (602, 28210), (620, 27391), (637, 26660), (806, 21070), (860, 19747), (868, 19565), (910, 18662), (980, 17329), (1085, 15652), (1118, 15190), (1204, 14105), (1274, 13330), (1333, 12740), (1505, 11284), (1519, 11180), (1612, 10535), (1820, 9331), (2015, 8428), (2107, 8060), (2170, 7826), (2236, 7595), (2548, 6665), (2666, 6370), (2795, 6076), (2821, 6020), (3010, 5642), (3038, 5590), (3185, 5332), (3913, 4340), (4030, 4214)]