2157375220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107761}}^1$

素因数の和:107801

約数の個数: 96

約数和(自身を含む): 6082949376

約数和(自身を除く): 3925574156

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 10010, 20020, 107761, 215522, 431044, 538805, 754327, 1077610, 1185371, 1400893, 1508654, 2155220, 2370742, 2801786, 3017308, 3771635, 4741484, 5603572, 5926855, 7004465, 7543270, 8297597, 9806251, 11853710, 14008930, 15086540, 15409823, 16595194, 19612502, 23707420, 28017860, 30819646, 33190388, 39225004, 41487985, 49031255, 61639292, 77049115, 82975970, 98062510, 107868761, 154098230, 165951940, 196125020, 215737522, 308196460, 431475044, 539343805, 1078687610, 2157375220]

約数ペア:

[(1, 2157375220), (2, 1078687610), (4, 539343805), (5, 431475044), (7, 308196460), (10, 215737522), (11, 196125020), (13, 165951940), (14, 154098230), (20, 107868761), (22, 98062510), (26, 82975970), (28, 77049115), (35, 61639292), (44, 49031255), (52, 41487985), (55, 39225004), (65, 33190388), (70, 30819646), (77, 28017860), (91, 23707420), (110, 19612502), (130, 16595194), (140, 15409823), (143, 15086540), (154, 14008930), (182, 11853710), (220, 9806251), (260, 8297597), (286, 7543270), (308, 7004465), (364, 5926855), (385, 5603572), (455, 4741484), (572, 3771635), (715, 3017308), (770, 2801786), (910, 2370742), (1001, 2155220), (1430, 1508654), (1540, 1400893), (1820, 1185371), (2002, 1077610), (2860, 754327), (4004, 538805), (5005, 431044), (10010, 215522), (20020, 107761)]