198958480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20899}}^1$

素因数の和:20936

約数の個数: 80

約数和(自身を含む): 559785600

約数和(自身を除く): 360827120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 20899, 41798, 83596, 104495, 146293, 167192, 208990, 292586, 334384, 355283, 417980, 585172, 710566, 731465, 835960, 1170344, 1421132, 1462930, 1671920, 1776415, 2340688, 2486981, 2842264, 2925860, 3552830, 4973962, 5684528, 5851720, 7105660, 9947924, 11703440, 12434905, 14211320, 19895848, 24869810, 28422640, 39791696, 49739620, 99479240, 198958480]

約数ペア:

[(1, 198958480), (2, 99479240), (4, 49739620), (5, 39791696), (7, 28422640), (8, 24869810), (10, 19895848), (14, 14211320), (16, 12434905), (17, 11703440), (20, 9947924), (28, 7105660), (34, 5851720), (35, 5684528), (40, 4973962), (56, 3552830), (68, 2925860), (70, 2842264), (80, 2486981), (85, 2340688), (112, 1776415), (119, 1671920), (136, 1462930), (140, 1421132), (170, 1170344), (238, 835960), (272, 731465), (280, 710566), (340, 585172), (476, 417980), (560, 355283), (595, 334384), (680, 292586), (952, 208990), (1190, 167192), (1360, 146293), (1904, 104495), (2380, 83596), (4760, 41798), (9520, 20899)]