1212902210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{1109}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 2416780800

約数和(自身を除く): 1203878590

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 179, 235, 358, 470, 611, 895, 1109, 1222, 1790, 2218, 2327, 3055, 4654, 5545, 6110, 8413, 11090, 11635, 14417, 16826, 23270, 28834, 42065, 52123, 72085, 84130, 104246, 109369, 144170, 198511, 218738, 260615, 397022, 521230, 546845, 677599, 992555, 1093690, 1355198, 1985110, 2580643, 3387995, 5161286, 6775990, 9330017, 12903215, 18660034, 25806430, 46650085, 93300170, 121290221, 242580442, 606451105, 1212902210]

約数ペア:

[(1, 1212902210), (2, 606451105), (5, 242580442), (10, 121290221), (13, 93300170), (26, 46650085), (47, 25806430), (65, 18660034), (94, 12903215), (130, 9330017), (179, 6775990), (235, 5161286), (358, 3387995), (470, 2580643), (611, 1985110), (895, 1355198), (1109, 1093690), (1222, 992555), (1790, 677599), (2218, 546845), (2327, 521230), (3055, 397022), (4654, 260615), (5545, 218738), (6110, 198511), (8413, 144170), (11090, 109369), (11635, 104246), (14417, 84130), (16826, 72085), (23270, 52123), (28834, 42065)]