219953930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 467244288

約数和(自身を除く): 247290358

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 173, 205, 287, 346, 410, 443, 574, 865, 886, 1211, 1435, 1730, 2215, 2422, 2870, 3101, 4430, 6055, 6202, 7093, 12110, 14186, 15505, 18163, 31010, 35465, 36326, 49651, 70930, 76639, 90815, 99302, 127141, 153278, 181630, 248255, 254282, 383195, 496510, 536473, 635705, 766390, 1072946, 1271410, 2682365, 3142199, 5364730, 6284398, 15710995, 21995393, 31421990, 43990786, 109976965, 219953930]

約数ペア:

[(1, 219953930), (2, 109976965), (5, 43990786), (7, 31421990), (10, 21995393), (14, 15710995), (35, 6284398), (41, 5364730), (70, 3142199), (82, 2682365), (173, 1271410), (205, 1072946), (287, 766390), (346, 635705), (410, 536473), (443, 496510), (574, 383195), (865, 254282), (886, 248255), (1211, 181630), (1435, 153278), (1730, 127141), (2215, 99302), (2422, 90815), (2870, 76639), (3101, 70930), (4430, 49651), (6055, 36326), (6202, 35465), (7093, 31010), (12110, 18163), (14186, 15505)]