201254360

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 461030400

約数和(自身を除く): 259776040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 173, 229, 254, 346, 458, 508, 635, 692, 865, 916, 1016, 1145, 1270, 1384, 1730, 1832, 2290, 2540, 3460, 4580, 5080, 6920, 9160, 21971, 29083, 39617, 43942, 58166, 79234, 87884, 109855, 116332, 145415, 158468, 175768, 198085, 219710, 232664, 290830, 316936, 396170, 439420, 581660, 792340, 878840, 1163320, 1584680, 5031359, 10062718, 20125436, 25156795, 40250872, 50313590, 100627180, 201254360]

約数ペア:

[(1, 201254360), (2, 100627180), (4, 50313590), (5, 40250872), (8, 25156795), (10, 20125436), (20, 10062718), (40, 5031359), (127, 1584680), (173, 1163320), (229, 878840), (254, 792340), (346, 581660), (458, 439420), (508, 396170), (635, 316936), (692, 290830), (865, 232664), (916, 219710), (1016, 198085), (1145, 175768), (1270, 158468), (1384, 145415), (1730, 116332), (1832, 109855), (2290, 87884), (2540, 79234), (3460, 58166), (4580, 43942), (5080, 39617), (6920, 29083), (9160, 21971)]