201523420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{8831}}^1$

素因数の和:9010

約数の個数: 48

約数和(自身を含む): 486678528

約数和(自身を除く): 285155108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 8831, 11410, 17662, 22820, 35324, 44155, 61817, 88310, 123634, 176620, 247268, 309085, 618170, 1236340, 1439453, 2878906, 5757812, 7197265, 10076171, 14394530, 20152342, 28789060, 40304684, 50380855, 100761710, 201523420]

約数ペア:

[(1, 201523420), (2, 100761710), (4, 50380855), (5, 40304684), (7, 28789060), (10, 20152342), (14, 14394530), (20, 10076171), (28, 7197265), (35, 5757812), (70, 2878906), (140, 1439453), (163, 1236340), (326, 618170), (652, 309085), (815, 247268), (1141, 176620), (1630, 123634), (2282, 88310), (3260, 61817), (4564, 44155), (5705, 35324), (8831, 22820), (11410, 17662)]