74130920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 173629440

約数和(自身を除く): 99498520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 191, 248, 310, 313, 382, 620, 626, 764, 955, 1240, 1252, 1528, 1565, 1910, 2504, 3130, 3820, 5921, 6260, 7640, 9703, 11842, 12520, 19406, 23684, 29605, 38812, 47368, 48515, 59210, 59783, 77624, 97030, 118420, 119566, 194060, 236840, 239132, 298915, 388120, 478264, 597830, 1195660, 1853273, 2391320, 3706546, 7413092, 9266365, 14826184, 18532730, 37065460, 74130920]

約数ペア:

[(1, 74130920), (2, 37065460), (4, 18532730), (5, 14826184), (8, 9266365), (10, 7413092), (20, 3706546), (31, 2391320), (40, 1853273), (62, 1195660), (124, 597830), (155, 478264), (191, 388120), (248, 298915), (310, 239132), (313, 236840), (382, 194060), (620, 119566), (626, 118420), (764, 97030), (955, 77624), (1240, 59783), (1252, 59210), (1528, 48515), (1565, 47368), (1910, 38812), (2504, 29605), (3130, 23684), (3820, 19406), (5921, 12520), (6260, 11842), (7640, 9703)]