3880760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 9979200

約数和(自身を除く): 6098440

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 439, 442, 520, 680, 878, 884, 1105, 1756, 1768, 2195, 2210, 3512, 4390, 4420, 5707, 7463, 8780, 8840, 11414, 14926, 17560, 22828, 28535, 29852, 37315, 45656, 57070, 59704, 74630, 97019, 114140, 149260, 194038, 228280, 298520, 388076, 485095, 776152, 970190, 1940380, 3880760]

約数ペア:

[(1, 3880760), (2, 1940380), (4, 970190), (5, 776152), (8, 485095), (10, 388076), (13, 298520), (17, 228280), (20, 194038), (26, 149260), (34, 114140), (40, 97019), (52, 74630), (65, 59704), (68, 57070), (85, 45656), (104, 37315), (130, 29852), (136, 28535), (170, 22828), (221, 17560), (260, 14926), (340, 11414), (439, 8840), (442, 8780), (520, 7463), (680, 5707), (878, 4420), (884, 4390), (1105, 3512), (1756, 2210), (1768, 2195)]