30194780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2801}}^1$

素因数の和:2835

約数の個数: 72

約数和(自身を含む): 80495856

約数和(自身を除く): 50301076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 2801, 5390, 5602, 10780, 11204, 14005, 19607, 28010, 30811, 39214, 56020, 61622, 78428, 98035, 123244, 137249, 154055, 196070, 215677, 274498, 308110, 392140, 431354, 548996, 616220, 686245, 862708, 1078385, 1372490, 1509739, 2156770, 2744980, 3019478, 4313540, 6038956, 7548695, 15097390, 30194780]

約数ペア:

[(1, 30194780), (2, 15097390), (4, 7548695), (5, 6038956), (7, 4313540), (10, 3019478), (11, 2744980), (14, 2156770), (20, 1509739), (22, 1372490), (28, 1078385), (35, 862708), (44, 686245), (49, 616220), (55, 548996), (70, 431354), (77, 392140), (98, 308110), (110, 274498), (140, 215677), (154, 196070), (196, 154055), (220, 137249), (245, 123244), (308, 98035), (385, 78428), (490, 61622), (539, 56020), (770, 39214), (980, 30811), (1078, 28010), (1540, 19607), (2156, 14005), (2695, 11204), (2801, 10780), (5390, 5602)]