7200440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 17811360

約数和(自身を除く): 10610920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 227, 244, 260, 305, 454, 488, 520, 610, 793, 908, 1135, 1220, 1586, 1816, 2270, 2440, 2951, 3172, 3965, 4540, 5902, 6344, 7930, 9080, 11804, 13847, 14755, 15860, 23608, 27694, 29510, 31720, 55388, 59020, 69235, 110776, 118040, 138470, 180011, 276940, 360022, 553880, 720044, 900055, 1440088, 1800110, 3600220, 7200440]

約数ペア:

[(1, 7200440), (2, 3600220), (4, 1800110), (5, 1440088), (8, 900055), (10, 720044), (13, 553880), (20, 360022), (26, 276940), (40, 180011), (52, 138470), (61, 118040), (65, 110776), (104, 69235), (122, 59020), (130, 55388), (227, 31720), (244, 29510), (260, 27694), (305, 23608), (454, 15860), (488, 14755), (520, 13847), (610, 11804), (793, 9080), (908, 7930), (1135, 6344), (1220, 5902), (1586, 4540), (1816, 3965), (2270, 3172), (2440, 2951)]