99913940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2371}}^1$

素因数の和:2437

約数の個数: 72

約数和(自身を含む): 249856992

約数和(自身を除く): 149943052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 2371, 3010, 4214, 4742, 6020, 8428, 9484, 10535, 11855, 16597, 21070, 23710, 33194, 42140, 47420, 66388, 82985, 101953, 116179, 165970, 203906, 232358, 331940, 407812, 464716, 509765, 580895, 713671, 1019530, 1161790, 1427342, 2039060, 2323580, 2854684, 3568355, 4995697, 7136710, 9991394, 14273420, 19982788, 24978485, 49956970, 99913940]

約数ペア:

[(1, 99913940), (2, 49956970), (4, 24978485), (5, 19982788), (7, 14273420), (10, 9991394), (14, 7136710), (20, 4995697), (28, 3568355), (35, 2854684), (43, 2323580), (49, 2039060), (70, 1427342), (86, 1161790), (98, 1019530), (140, 713671), (172, 580895), (196, 509765), (215, 464716), (245, 407812), (301, 331940), (430, 232358), (490, 203906), (602, 165970), (860, 116179), (980, 101953), (1204, 82985), (1505, 66388), (2107, 47420), (2371, 42140), (3010, 33194), (4214, 23710), (4742, 21070), (6020, 16597), (8428, 11855), (9484, 10535)]