204519800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 506217600

約数和(自身を除く): 301697800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 107, 152, 190, 200, 214, 380, 428, 475, 503, 535, 760, 856, 950, 1006, 1070, 1900, 2012, 2033, 2140, 2515, 2675, 3800, 4024, 4066, 4280, 5030, 5350, 8132, 9557, 10060, 10165, 10700, 12575, 16264, 19114, 20120, 20330, 21400, 25150, 38228, 40660, 47785, 50300, 50825, 53821, 76456, 81320, 95570, 100600, 101650, 107642, 191140, 203300, 215284, 238925, 269105, 382280, 406600, 430568, 477850, 538210, 955700, 1022599, 1076420, 1345525, 1911400, 2045198, 2152840, 2691050, 4090396, 5112995, 5382100, 8180792, 10225990, 10764200, 20451980, 25564975, 40903960, 51129950, 102259900, 204519800]

約数ペア:

[(1, 204519800), (2, 102259900), (4, 51129950), (5, 40903960), (8, 25564975), (10, 20451980), (19, 10764200), (20, 10225990), (25, 8180792), (38, 5382100), (40, 5112995), (50, 4090396), (76, 2691050), (95, 2152840), (100, 2045198), (107, 1911400), (152, 1345525), (190, 1076420), (200, 1022599), (214, 955700), (380, 538210), (428, 477850), (475, 430568), (503, 406600), (535, 382280), (760, 269105), (856, 238925), (950, 215284), (1006, 203300), (1070, 191140), (1900, 107642), (2012, 101650), (2033, 100600), (2140, 95570), (2515, 81320), (2675, 76456), (3800, 53821), (4024, 50825), (4066, 50300), (4280, 47785), (5030, 40660), (5350, 38228), (8132, 25150), (9557, 21400), (10060, 20330), (10165, 20120), (10700, 19114), (12575, 16264)]