649367020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1363

約数の個数: 96

約数和(自身を含む): 1520285760

約数和(自身を除く): 870918740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 41, 68, 74, 82, 85, 148, 164, 170, 185, 205, 340, 370, 410, 629, 697, 740, 820, 1258, 1259, 1394, 1517, 2516, 2518, 2788, 3034, 3145, 3485, 5036, 6068, 6290, 6295, 6970, 7585, 12580, 12590, 13940, 15170, 21403, 25180, 25789, 30340, 42806, 46583, 51578, 51619, 85612, 93166, 103156, 103238, 107015, 128945, 186332, 206476, 214030, 232915, 257890, 258095, 428060, 465830, 515780, 516190, 791911, 877523, 931660, 1032380, 1583822, 1755046, 1909903, 3167644, 3510092, 3819806, 3959555, 4387615, 7639612, 7919110, 8775230, 9549515, 15838220, 17550460, 19099030, 32468351, 38198060, 64936702, 129873404, 162341755, 324683510, 649367020]

約数ペア:

[(1, 649367020), (2, 324683510), (4, 162341755), (5, 129873404), (10, 64936702), (17, 38198060), (20, 32468351), (34, 19099030), (37, 17550460), (41, 15838220), (68, 9549515), (74, 8775230), (82, 7919110), (85, 7639612), (148, 4387615), (164, 3959555), (170, 3819806), (185, 3510092), (205, 3167644), (340, 1909903), (370, 1755046), (410, 1583822), (629, 1032380), (697, 931660), (740, 877523), (820, 791911), (1258, 516190), (1259, 515780), (1394, 465830), (1517, 428060), (2516, 258095), (2518, 257890), (2788, 232915), (3034, 214030), (3145, 206476), (3485, 186332), (5036, 128945), (6068, 107015), (6290, 103238), (6295, 103156), (6970, 93166), (7585, 85612), (12580, 51619), (12590, 51578), (13940, 46583), (15170, 42806), (21403, 30340), (25180, 25789)]