305174940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103801}}^1$

素因数の和:103827

約数の個数: 72

約数和(自身を含む): 994007952

約数和(自身を除く): 688833012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 103801, 207602, 311403, 415204, 519005, 622806, 726607, 1038010, 1245612, 1453214, 1557015, 2076020, 2179821, 2906428, 3114030, 3633035, 4359642, 5086249, 6228060, 7266070, 8719284, 10172498, 10899105, 14532140, 15258747, 20344996, 21798210, 25431245, 30517494, 43596420, 50862490, 61034988, 76293735, 101724980, 152587470, 305174940]

約数ペア:

[(1, 305174940), (2, 152587470), (3, 101724980), (4, 76293735), (5, 61034988), (6, 50862490), (7, 43596420), (10, 30517494), (12, 25431245), (14, 21798210), (15, 20344996), (20, 15258747), (21, 14532140), (28, 10899105), (30, 10172498), (35, 8719284), (42, 7266070), (49, 6228060), (60, 5086249), (70, 4359642), (84, 3633035), (98, 3114030), (105, 2906428), (140, 2179821), (147, 2076020), (196, 1557015), (210, 1453214), (245, 1245612), (294, 1038010), (420, 726607), (490, 622806), (588, 519005), (735, 415204), (980, 311403), (1470, 207602), (2940, 103801)]