520085203420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{16987}}^1\times {\mathrm{5297}}^1$

素因数の和:22327

約数の個数: 72

約数和(自身を含む): 1160491255056

約数和(自身を除く): 640406051636

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5297, 5780, 10594, 16987, 21188, 26485, 33974, 52970, 67948, 84935, 90049, 105940, 169870, 180098, 288779, 339740, 360196, 450245, 577558, 900490, 1155116, 1443895, 1530833, 1800980, 2887790, 3061666, 4909243, 5775580, 6123332, 7654165, 9818486, 15308330, 19636972, 24546215, 30616660, 49092430, 89980139, 98184860, 179960278, 359920556, 449900695, 899801390, 1529662363, 1799602780, 3059324726, 6118649452, 7648311815, 15296623630, 26004260171, 30593247260, 52008520342, 104017040684, 130021300855, 260042601710, 520085203420]

約数ペア:

[(1, 520085203420), (2, 260042601710), (4, 130021300855), (5, 104017040684), (10, 52008520342), (17, 30593247260), (20, 26004260171), (34, 15296623630), (68, 7648311815), (85, 6118649452), (170, 3059324726), (289, 1799602780), (340, 1529662363), (578, 899801390), (1156, 449900695), (1445, 359920556), (2890, 179960278), (5297, 98184860), (5780, 89980139), (10594, 49092430), (16987, 30616660), (21188, 24546215), (26485, 19636972), (33974, 15308330), (52970, 9818486), (67948, 7654165), (84935, 6123332), (90049, 5775580), (105940, 4909243), (169870, 3061666), (180098, 2887790), (288779, 1800980), (339740, 1530833), (360196, 1443895), (450245, 1155116), (577558, 900490)]