238421000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{7691}}^1$

素因数の和:7743

約数の個数: 64

約数和(自身を含む): 575976960

約数和(自身を除く): 337555960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1000, 1240, 1550, 3100, 3875, 6200, 7691, 7750, 15382, 15500, 30764, 31000, 38455, 61528, 76910, 153820, 192275, 238421, 307640, 384550, 476842, 769100, 953684, 961375, 1192105, 1538200, 1907368, 1922750, 2384210, 3845500, 4768420, 5960525, 7691000, 9536840, 11921050, 23842100, 29802625, 47684200, 59605250, 119210500, 238421000]

約数ペア:

[(1, 238421000), (2, 119210500), (4, 59605250), (5, 47684200), (8, 29802625), (10, 23842100), (20, 11921050), (25, 9536840), (31, 7691000), (40, 5960525), (50, 4768420), (62, 3845500), (100, 2384210), (124, 1922750), (125, 1907368), (155, 1538200), (200, 1192105), (248, 961375), (250, 953684), (310, 769100), (500, 476842), (620, 384550), (775, 307640), (1000, 238421), (1240, 192275), (1550, 153820), (3100, 76910), (3875, 61528), (6200, 38455), (7691, 31000), (7750, 30764), (15382, 15500)]