201512890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 393403392

約数和(自身を除く): 191890502

約数列:

[1, 2, 5, 10, 23, 46, 53, 61, 106, 115, 122, 230, 265, 271, 305, 530, 542, 610, 1219, 1355, 1403, 2438, 2710, 2806, 3233, 6095, 6233, 6466, 7015, 12190, 12466, 14030, 14363, 16165, 16531, 28726, 31165, 32330, 33062, 62330, 71815, 74359, 82655, 143630, 148718, 165310, 330349, 371795, 380213, 660698, 743590, 760426, 876143, 1651745, 1752286, 1901065, 3303490, 3802130, 4380715, 8761430, 20151289, 40302578, 100756445, 201512890]

約数ペア:

[(1, 201512890), (2, 100756445), (5, 40302578), (10, 20151289), (23, 8761430), (46, 4380715), (53, 3802130), (61, 3303490), (106, 1901065), (115, 1752286), (122, 1651745), (230, 876143), (265, 760426), (271, 743590), (305, 660698), (530, 380213), (542, 371795), (610, 330349), (1219, 165310), (1355, 148718), (1403, 143630), (2438, 82655), (2710, 74359), (2806, 71815), (3233, 62330), (6095, 33062), (6233, 32330), (6466, 31165), (7015, 28726), (12190, 16531), (12466, 16165), (14030, 14363)]