204430980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1759}}^1$

素因数の和:1933

約数の個数: 96

約数和(自身を含む): 620928000

約数和(自身を除く): 416497020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 298, 390, 447, 596, 745, 780, 894, 1490, 1759, 1788, 1937, 2235, 2980, 3518, 3874, 4470, 5277, 5811, 7036, 7748, 8795, 8940, 9685, 10554, 11622, 17590, 19370, 21108, 22867, 23244, 26385, 29055, 35180, 38740, 45734, 52770, 58110, 68601, 91468, 105540, 114335, 116220, 137202, 228670, 262091, 274404, 343005, 457340, 524182, 686010, 786273, 1048364, 1310455, 1372020, 1572546, 2620910, 3145092, 3407183, 3931365, 5241820, 6814366, 7862730, 10221549, 13628732, 15725460, 17035915, 20443098, 34071830, 40886196, 51107745, 68143660, 102215490, 204430980]

約数ペア:

[(1, 204430980), (2, 102215490), (3, 68143660), (4, 51107745), (5, 40886196), (6, 34071830), (10, 20443098), (12, 17035915), (13, 15725460), (15, 13628732), (20, 10221549), (26, 7862730), (30, 6814366), (39, 5241820), (52, 3931365), (60, 3407183), (65, 3145092), (78, 2620910), (130, 1572546), (149, 1372020), (156, 1310455), (195, 1048364), (260, 786273), (298, 686010), (390, 524182), (447, 457340), (596, 343005), (745, 274404), (780, 262091), (894, 228670), (1490, 137202), (1759, 116220), (1788, 114335), (1937, 105540), (2235, 91468), (2980, 68601), (3518, 58110), (3874, 52770), (4470, 45734), (5277, 38740), (5811, 35180), (7036, 29055), (7748, 26385), (8795, 23244), (8940, 22867), (9685, 21108), (10554, 19370), (11622, 17590)]