397036920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24877}}^1$

素因数の和:24917

約数の個数: 128

約数和(自身を含む): 1432972800

約数和(自身を除く): 1035935880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 24877, 49754, 74631, 99508, 124385, 149262, 174139, 199016, 248770, 298524, 348278, 373155, 472663, 497540, 522417, 597048, 696556, 746310, 870695, 945326, 995080, 1044834, 1393112, 1417989, 1492620, 1741390, 1890652, 2089668, 2363315, 2612085, 2835978, 2985240, 3308641, 3482780, 3781304, 4179336, 4726630, 5224170, 5671956, 6617282, 6965560, 7089945, 9453260, 9925923, 10448340, 11343912, 13234564, 14179890, 16543205, 18906520, 19851846, 20896680, 26469128, 28359780, 33086410, 39703692, 49629615, 56719560, 66172820, 79407384, 99259230, 132345640, 198518460, 397036920]

約数ペア:

[(1, 397036920), (2, 198518460), (3, 132345640), (4, 99259230), (5, 79407384), (6, 66172820), (7, 56719560), (8, 49629615), (10, 39703692), (12, 33086410), (14, 28359780), (15, 26469128), (19, 20896680), (20, 19851846), (21, 18906520), (24, 16543205), (28, 14179890), (30, 13234564), (35, 11343912), (38, 10448340), (40, 9925923), (42, 9453260), (56, 7089945), (57, 6965560), (60, 6617282), (70, 5671956), (76, 5224170), (84, 4726630), (95, 4179336), (105, 3781304), (114, 3482780), (120, 3308641), (133, 2985240), (140, 2835978), (152, 2612085), (168, 2363315), (190, 2089668), (210, 1890652), (228, 1741390), (266, 1492620), (280, 1417989), (285, 1393112), (380, 1044834), (399, 995080), (420, 945326), (456, 870695), (532, 746310), (570, 696556), (665, 597048), (760, 522417), (798, 497540), (840, 472663), (1064, 373155), (1140, 348278), (1330, 298524), (1596, 248770), (1995, 199016), (2280, 174139), (2660, 149262), (3192, 124385), (3990, 99508), (5320, 74631), (7980, 49754), (15960, 24877)]