21940578750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{647}}^1\times {\mathrm{9043}}^1$

素因数の和:9715

約数の個数: 80

約数和(自身を含む): 54924718464

約数和(自身を除く): 32984139714

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 647, 750, 1250, 1294, 1875, 1941, 3235, 3750, 3882, 6470, 9043, 9705, 16175, 18086, 19410, 27129, 32350, 45215, 48525, 54258, 80875, 90430, 97050, 135645, 161750, 226075, 242625, 271290, 404375, 452150, 485250, 678225, 808750, 1130375, 1213125, 1356450, 2260750, 2426250, 3391125, 5651875, 5850821, 6782250, 11303750, 11701642, 16955625, 17552463, 29254105, 33911250, 35104926, 58508210, 87762315, 146270525, 175524630, 292541050, 438811575, 731352625, 877623150, 1462705250, 2194057875, 3656763125, 4388115750, 7313526250, 10970289375, 21940578750]

約数ペア:

[(1, 21940578750), (2, 10970289375), (3, 7313526250), (5, 4388115750), (6, 3656763125), (10, 2194057875), (15, 1462705250), (25, 877623150), (30, 731352625), (50, 438811575), (75, 292541050), (125, 175524630), (150, 146270525), (250, 87762315), (375, 58508210), (625, 35104926), (647, 33911250), (750, 29254105), (1250, 17552463), (1294, 16955625), (1875, 11701642), (1941, 11303750), (3235, 6782250), (3750, 5850821), (3882, 5651875), (6470, 3391125), (9043, 2426250), (9705, 2260750), (16175, 1356450), (18086, 1213125), (19410, 1130375), (27129, 808750), (32350, 678225), (45215, 485250), (48525, 452150), (54258, 404375), (80875, 271290), (90430, 242625), (97050, 226075), (135645, 161750)]