209479140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89521}}^1$

素因数の和:89549

約数の個数: 72

約数和(自身を含む): 684306168

約数和(自身を除く): 474827028

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, 89521, 179042, 268563, 358084, 447605, 537126, 805689, 895210, 1074252, 1163773, 1342815, 1611378, 1790420, 2327546, 2685630, 3222756, 3491319, 4028445, 4655092, 5371260, 5818865, 6982638, 8056890, 10473957, 11637730, 13965276, 16113780, 17456595, 20947914, 23275460, 34913190, 41895828, 52369785, 69826380, 104739570, 209479140]

約数ペア:

[(1, 209479140), (2, 104739570), (3, 69826380), (4, 52369785), (5, 41895828), (6, 34913190), (9, 23275460), (10, 20947914), (12, 17456595), (13, 16113780), (15, 13965276), (18, 11637730), (20, 10473957), (26, 8056890), (30, 6982638), (36, 5818865), (39, 5371260), (45, 4655092), (52, 4028445), (60, 3491319), (65, 3222756), (78, 2685630), (90, 2327546), (117, 1790420), (130, 1611378), (156, 1342815), (180, 1163773), (195, 1074252), (234, 895210), (260, 805689), (390, 537126), (468, 447605), (585, 358084), (780, 268563), (1170, 179042), (2340, 89521)]