727648870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1031}}^1$

素因数の和:1201

約数の個数: 64

約数和(自身を含む): 1451157120

約数和(自身を除く): 723508250

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 89, 122, 130, 178, 305, 445, 610, 793, 890, 1031, 1157, 1586, 2062, 2314, 3965, 5155, 5429, 5785, 7930, 10310, 10858, 11570, 13403, 26806, 27145, 54290, 62891, 67015, 70577, 91759, 125782, 134030, 141154, 183518, 314455, 352885, 458795, 628910, 705770, 817583, 917590, 1192867, 1635166, 2385734, 4087915, 5597299, 5964335, 8175830, 11194598, 11928670, 27986495, 55972990, 72764887, 145529774, 363824435, 727648870]

約数ペア:

[(1, 727648870), (2, 363824435), (5, 145529774), (10, 72764887), (13, 55972990), (26, 27986495), (61, 11928670), (65, 11194598), (89, 8175830), (122, 5964335), (130, 5597299), (178, 4087915), (305, 2385734), (445, 1635166), (610, 1192867), (793, 917590), (890, 817583), (1031, 705770), (1157, 628910), (1586, 458795), (2062, 352885), (2314, 314455), (3965, 183518), (5155, 141154), (5429, 134030), (5785, 125782), (7930, 91759), (10310, 70577), (10858, 67015), (11570, 62891), (13403, 54290), (26806, 27145)]