629720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 1753920

約数和(自身を除く): 1124200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 173, 182, 260, 280, 346, 364, 455, 520, 692, 728, 865, 910, 1211, 1384, 1730, 1820, 2249, 2422, 3460, 3640, 4498, 4844, 6055, 6920, 8996, 9688, 11245, 12110, 15743, 17992, 22490, 24220, 31486, 44980, 48440, 62972, 78715, 89960, 125944, 157430, 314860, 629720]

約数ペア:

[(1, 629720), (2, 314860), (4, 157430), (5, 125944), (7, 89960), (8, 78715), (10, 62972), (13, 48440), (14, 44980), (20, 31486), (26, 24220), (28, 22490), (35, 17992), (40, 15743), (52, 12110), (56, 11245), (65, 9688), (70, 8996), (91, 6920), (104, 6055), (130, 4844), (140, 4498), (173, 3640), (182, 3460), (260, 2422), (280, 2249), (346, 1820), (364, 1730), (455, 1384), (520, 1211), (692, 910), (728, 865)]