138480100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 108

約数和(自身を含む): 341321904

約数和(自身を除く): 202841804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 131, 155, 220, 262, 275, 310, 341, 524, 550, 620, 655, 682, 775, 961, 1100, 1310, 1364, 1441, 1550, 1705, 1922, 2620, 2882, 3100, 3275, 3410, 3844, 4061, 4805, 5764, 6550, 6820, 7205, 8122, 8525, 9610, 10571, 13100, 14410, 16244, 17050, 19220, 20305, 21142, 24025, 28820, 34100, 36025, 40610, 42284, 44671, 48050, 52855, 72050, 81220, 89342, 96100, 101525, 105710, 125891, 144100, 178684, 203050, 211420, 223355, 251782, 264275, 406100, 446710, 503564, 528550, 629455, 893420, 1057100, 1116775, 1258910, 1384801, 2233550, 2517820, 2769602, 3147275, 4467100, 5539204, 6294550, 6924005, 12589100, 13848010, 27696020, 34620025, 69240050, 138480100]

約数ペア:

[(1, 138480100), (2, 69240050), (4, 34620025), (5, 27696020), (10, 13848010), (11, 12589100), (20, 6924005), (22, 6294550), (25, 5539204), (31, 4467100), (44, 3147275), (50, 2769602), (55, 2517820), (62, 2233550), (100, 1384801), (110, 1258910), (124, 1116775), (131, 1057100), (155, 893420), (220, 629455), (262, 528550), (275, 503564), (310, 446710), (341, 406100), (524, 264275), (550, 251782), (620, 223355), (655, 211420), (682, 203050), (775, 178684), (961, 144100), (1100, 125891), (1310, 105710), (1364, 101525), (1441, 96100), (1550, 89342), (1705, 81220), (1922, 72050), (2620, 52855), (2882, 48050), (3100, 44671), (3275, 42284), (3410, 40610), (3844, 36025), (4061, 34100), (4805, 28820), (5764, 24025), (6550, 21142), (6820, 20305), (7205, 19220), (8122, 17050), (8525, 16244), (9610, 14410), (10571, 13100)]