161839100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 365841168

約数和(自身を除く): 204002068

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 61, 86, 100, 122, 172, 215, 244, 305, 430, 610, 617, 860, 1075, 1220, 1234, 1525, 2150, 2468, 2623, 3050, 3085, 4300, 5246, 6100, 6170, 10492, 12340, 13115, 15425, 26230, 26531, 30850, 37637, 52460, 53062, 61700, 65575, 75274, 106124, 131150, 132655, 150548, 188185, 262300, 265310, 376370, 530620, 663275, 752740, 940925, 1326550, 1618391, 1881850, 2653100, 3236782, 3763700, 6473564, 8091955, 16183910, 32367820, 40459775, 80919550, 161839100]

約数ペア:

[(1, 161839100), (2, 80919550), (4, 40459775), (5, 32367820), (10, 16183910), (20, 8091955), (25, 6473564), (43, 3763700), (50, 3236782), (61, 2653100), (86, 1881850), (100, 1618391), (122, 1326550), (172, 940925), (215, 752740), (244, 663275), (305, 530620), (430, 376370), (610, 265310), (617, 262300), (860, 188185), (1075, 150548), (1220, 132655), (1234, 131150), (1525, 106124), (2150, 75274), (2468, 65575), (2623, 61700), (3050, 53062), (3085, 52460), (4300, 37637), (5246, 30850), (6100, 26531), (6170, 26230), (10492, 15425), (12340, 13115)]