79489100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 178561488

約数和(自身を除く): 99072388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 83, 100, 122, 157, 166, 244, 305, 314, 332, 415, 610, 628, 785, 830, 1220, 1525, 1570, 1660, 2075, 3050, 3140, 3925, 4150, 5063, 6100, 7850, 8300, 9577, 10126, 13031, 15700, 19154, 20252, 25315, 26062, 38308, 47885, 50630, 52124, 65155, 95770, 101260, 126575, 130310, 191540, 239425, 253150, 260620, 325775, 478850, 506300, 651550, 794891, 957700, 1303100, 1589782, 3179564, 3974455, 7948910, 15897820, 19872275, 39744550, 79489100]

約数ペア:

[(1, 79489100), (2, 39744550), (4, 19872275), (5, 15897820), (10, 7948910), (20, 3974455), (25, 3179564), (50, 1589782), (61, 1303100), (83, 957700), (100, 794891), (122, 651550), (157, 506300), (166, 478850), (244, 325775), (305, 260620), (314, 253150), (332, 239425), (415, 191540), (610, 130310), (628, 126575), (785, 101260), (830, 95770), (1220, 65155), (1525, 52124), (1570, 50630), (1660, 47885), (2075, 38308), (3050, 26062), (3140, 25315), (3925, 20252), (4150, 19154), (5063, 15700), (6100, 13031), (7850, 10126), (8300, 9577)]