310019960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{659}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 736560000

約数和(自身を除く): 426540040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 619, 659, 760, 1238, 1318, 2476, 2636, 3095, 3295, 4952, 5272, 6190, 6590, 11761, 12380, 12521, 13180, 23522, 24760, 25042, 26360, 47044, 50084, 58805, 62605, 94088, 100168, 117610, 125210, 235220, 250420, 407921, 470440, 500840, 815842, 1631684, 2039605, 3263368, 4079210, 7750499, 8158420, 15500998, 16316840, 31001996, 38752495, 62003992, 77504990, 155009980, 310019960]

約数ペア:

[(1, 310019960), (2, 155009980), (4, 77504990), (5, 62003992), (8, 38752495), (10, 31001996), (19, 16316840), (20, 15500998), (38, 8158420), (40, 7750499), (76, 4079210), (95, 3263368), (152, 2039605), (190, 1631684), (380, 815842), (619, 500840), (659, 470440), (760, 407921), (1238, 250420), (1318, 235220), (2476, 125210), (2636, 117610), (3095, 100168), (3295, 94088), (4952, 62605), (5272, 58805), (6190, 50084), (6590, 47044), (11761, 26360), (12380, 25042), (12521, 24760), (13180, 23522)]