211528980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90397}}^1$

素因数の和:90425

約数の個数: 72

約数和(自身を含む): 691002312

約数和(自身を除く): 479473332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 90397, 180794, 271191, 361588, 451985, 542382, 813573, 903970, 1084764, 1175161, 1355955, 1627146, 1807940, 2350322, 2711910, 3254292, 3525483, 4067865, 4700644, 5423820, 5875805, 7050966, 8135730, 10576449, 11751610, 14101932, 16271460, 17627415, 21152898, 23503220, 35254830, 42305796, 52882245, 70509660, 105764490, 211528980]

約数ペア:

[(1, 211528980), (2, 105764490), (3, 70509660), (4, 52882245), (5, 42305796), (6, 35254830), (9, 23503220), (10, 21152898), (12, 17627415), (13, 16271460), (15, 14101932), (18, 11751610), (20, 10576449), (26, 8135730), (30, 7050966), (36, 5875805), (39, 5423820), (45, 4700644), (52, 4067865), (60, 3525483), (65, 3254292), (78, 2711910), (90, 2350322), (117, 1807940), (130, 1627146), (156, 1355955), (180, 1175161), (195, 1084764), (234, 903970), (260, 813573), (390, 542382), (468, 451985), (585, 361588), (780, 271191), (1170, 180794), (2340, 90397)]