231308980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 578027520

約数和(自身を除く): 346718540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 223, 239, 310, 434, 446, 478, 620, 868, 892, 956, 1085, 1115, 1195, 1561, 1673, 2170, 2230, 2390, 3122, 3346, 4340, 4460, 4780, 6244, 6692, 6913, 7409, 7805, 8365, 13826, 14818, 15610, 16730, 27652, 29636, 31220, 33460, 34565, 37045, 48391, 51863, 53297, 69130, 74090, 96782, 103726, 106594, 138260, 148180, 193564, 207452, 213188, 241955, 259315, 266485, 373079, 483910, 518630, 532970, 746158, 967820, 1037260, 1065940, 1492316, 1652207, 1865395, 3304414, 3730790, 6608828, 7461580, 8261035, 11565449, 16522070, 23130898, 33044140, 46261796, 57827245, 115654490, 231308980]

約数ペア:

[(1, 231308980), (2, 115654490), (4, 57827245), (5, 46261796), (7, 33044140), (10, 23130898), (14, 16522070), (20, 11565449), (28, 8261035), (31, 7461580), (35, 6608828), (62, 3730790), (70, 3304414), (124, 1865395), (140, 1652207), (155, 1492316), (217, 1065940), (223, 1037260), (239, 967820), (310, 746158), (434, 532970), (446, 518630), (478, 483910), (620, 373079), (868, 266485), (892, 259315), (956, 241955), (1085, 213188), (1115, 207452), (1195, 193564), (1561, 148180), (1673, 138260), (2170, 106594), (2230, 103726), (2390, 96782), (3122, 74090), (3346, 69130), (4340, 53297), (4460, 51863), (4780, 48391), (6244, 37045), (6692, 34565), (6913, 33460), (7409, 31220), (7805, 29636), (8365, 27652), (13826, 16730), (14818, 15610)]