128219300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2843}}^1$

素因数の和:2909

約数の個数: 72

約数和(自身を含む): 311042592

約数和(自身を除く): 182823292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1804, 2050, 2255, 2843, 4100, 4510, 5686, 9020, 11275, 11372, 14215, 22550, 28430, 31273, 45100, 56860, 62546, 71075, 116563, 125092, 142150, 156365, 233126, 284300, 312730, 466252, 582815, 625460, 781825, 1165630, 1282193, 1563650, 2331260, 2564386, 2914075, 3127300, 5128772, 5828150, 6410965, 11656300, 12821930, 25643860, 32054825, 64109650, 128219300]

約数ペア:

[(1, 128219300), (2, 64109650), (4, 32054825), (5, 25643860), (10, 12821930), (11, 11656300), (20, 6410965), (22, 5828150), (25, 5128772), (41, 3127300), (44, 2914075), (50, 2564386), (55, 2331260), (82, 1563650), (100, 1282193), (110, 1165630), (164, 781825), (205, 625460), (220, 582815), (275, 466252), (410, 312730), (451, 284300), (550, 233126), (820, 156365), (902, 142150), (1025, 125092), (1100, 116563), (1804, 71075), (2050, 62546), (2255, 56860), (2843, 45100), (4100, 31273), (4510, 28430), (5686, 22550), (9020, 14215), (11275, 11372)]