2912778980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{6379}}^1$

素因数の和:6501

約数の個数: 72

約数和(自身を含む): 6581097600

約数和(自身を除く): 3668318620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 289, 316, 340, 395, 578, 790, 1156, 1343, 1445, 1580, 2686, 2890, 5372, 5780, 6379, 6715, 12758, 13430, 22831, 25516, 26860, 31895, 45662, 63790, 91324, 108443, 114155, 127580, 216886, 228310, 433772, 456620, 503941, 542215, 1007882, 1084430, 1843531, 2015764, 2168860, 2519705, 3687062, 5039410, 7374124, 8566997, 9217655, 10078820, 17133994, 18435310, 34267988, 36870620, 42834985, 85669970, 145638949, 171339940, 291277898, 582555796, 728194745, 1456389490, 2912778980]

約数ペア:

[(1, 2912778980), (2, 1456389490), (4, 728194745), (5, 582555796), (10, 291277898), (17, 171339940), (20, 145638949), (34, 85669970), (68, 42834985), (79, 36870620), (85, 34267988), (158, 18435310), (170, 17133994), (289, 10078820), (316, 9217655), (340, 8566997), (395, 7374124), (578, 5039410), (790, 3687062), (1156, 2519705), (1343, 2168860), (1445, 2015764), (1580, 1843531), (2686, 1084430), (2890, 1007882), (5372, 542215), (5780, 503941), (6379, 456620), (6715, 433772), (12758, 228310), (13430, 216886), (22831, 127580), (25516, 114155), (26860, 108443), (31895, 91324), (45662, 63790)]