49808980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 121927680

約数和(自身を除く): 72118700

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 59, 65, 68, 85, 118, 130, 170, 191, 221, 236, 260, 295, 340, 382, 442, 590, 764, 767, 884, 955, 1003, 1105, 1180, 1534, 1910, 2006, 2210, 2483, 3068, 3247, 3820, 3835, 4012, 4420, 4966, 5015, 6494, 7670, 9932, 10030, 11269, 12415, 12988, 13039, 15340, 16235, 20060, 22538, 24830, 26078, 32470, 42211, 45076, 49660, 52156, 56345, 64940, 65195, 84422, 112690, 130390, 146497, 168844, 191573, 211055, 225380, 260780, 292994, 383146, 422110, 585988, 732485, 766292, 844220, 957865, 1464970, 1915730, 2490449, 2929940, 3831460, 4980898, 9961796, 12452245, 24904490, 49808980]

約数ペア:

[(1, 49808980), (2, 24904490), (4, 12452245), (5, 9961796), (10, 4980898), (13, 3831460), (17, 2929940), (20, 2490449), (26, 1915730), (34, 1464970), (52, 957865), (59, 844220), (65, 766292), (68, 732485), (85, 585988), (118, 422110), (130, 383146), (170, 292994), (191, 260780), (221, 225380), (236, 211055), (260, 191573), (295, 168844), (340, 146497), (382, 130390), (442, 112690), (590, 84422), (764, 65195), (767, 64940), (884, 56345), (955, 52156), (1003, 49660), (1105, 45076), (1180, 42211), (1534, 32470), (1910, 26078), (2006, 24830), (2210, 22538), (2483, 20060), (3068, 16235), (3247, 15340), (3820, 13039), (3835, 12988), (4012, 12415), (4420, 11269), (4966, 10030), (5015, 9932), (6494, 7670)]