320854216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 659520000

約数和(自身を除く): 338665784

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 149, 152, 248, 298, 457, 589, 596, 914, 1178, 1192, 1828, 2356, 2831, 3656, 4619, 4712, 5662, 8683, 9238, 11324, 14167, 17366, 18476, 22648, 28334, 34732, 36952, 56668, 68093, 69464, 87761, 113336, 136186, 175522, 269173, 272372, 351044, 538346, 544744, 702088, 1076692, 1293767, 2110883, 2153384, 2587534, 4221766, 5175068, 8443532, 10350136, 16887064, 40106777, 80213554, 160427108, 320854216]

約数ペア:

[(1, 320854216), (2, 160427108), (4, 80213554), (8, 40106777), (19, 16887064), (31, 10350136), (38, 8443532), (62, 5175068), (76, 4221766), (124, 2587534), (149, 2153384), (152, 2110883), (248, 1293767), (298, 1076692), (457, 702088), (589, 544744), (596, 538346), (914, 351044), (1178, 272372), (1192, 269173), (1828, 175522), (2356, 136186), (2831, 113336), (3656, 87761), (4619, 69464), (4712, 68093), (5662, 56668), (8683, 36952), (9238, 34732), (11324, 28334), (14167, 22648), (17366, 18476)]