30002420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 74737152

約数和(自身を除く): 44734732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 223, 310, 434, 446, 620, 868, 892, 961, 1085, 1115, 1561, 1922, 2170, 2230, 3122, 3844, 4340, 4460, 4805, 6244, 6727, 6913, 7805, 9610, 13454, 13826, 15610, 19220, 26908, 27652, 31220, 33635, 34565, 48391, 67270, 69130, 96782, 134540, 138260, 193564, 214303, 241955, 428606, 483910, 857212, 967820, 1071515, 1500121, 2143030, 3000242, 4286060, 6000484, 7500605, 15001210, 30002420]

約数ペア:

[(1, 30002420), (2, 15001210), (4, 7500605), (5, 6000484), (7, 4286060), (10, 3000242), (14, 2143030), (20, 1500121), (28, 1071515), (31, 967820), (35, 857212), (62, 483910), (70, 428606), (124, 241955), (140, 214303), (155, 193564), (217, 138260), (223, 134540), (310, 96782), (434, 69130), (446, 67270), (620, 48391), (868, 34565), (892, 33635), (961, 31220), (1085, 27652), (1115, 26908), (1561, 19220), (1922, 15610), (2170, 13826), (2230, 13454), (3122, 9610), (3844, 7805), (4340, 6913), (4460, 6727), (4805, 6244)]