4109420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 9979200

約数和(自身を除く): 5869780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 197, 298, 394, 596, 745, 788, 985, 1043, 1379, 1490, 1970, 2086, 2758, 2980, 3940, 4172, 5215, 5516, 6895, 10430, 13790, 20860, 27580, 29353, 58706, 117412, 146765, 205471, 293530, 410942, 587060, 821884, 1027355, 2054710, 4109420]

約数ペア:

[(1, 4109420), (2, 2054710), (4, 1027355), (5, 821884), (7, 587060), (10, 410942), (14, 293530), (20, 205471), (28, 146765), (35, 117412), (70, 58706), (140, 29353), (149, 27580), (197, 20860), (298, 13790), (394, 10430), (596, 6895), (745, 5516), (788, 5215), (985, 4172), (1043, 3940), (1379, 2980), (1490, 2758), (1970, 2086)]