198679392020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1\times {\mathrm{18919}}^1$

素因数の和:19473

約数の個数: 96

約数和(自身を含む): 449359384320

約数和(自身を除く): 250679992300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 461, 670, 922, 1139, 1340, 1844, 2278, 2305, 4556, 4610, 5695, 7837, 9220, 11390, 15674, 18919, 22780, 30887, 31348, 37838, 39185, 61774, 75676, 78370, 94595, 123548, 154435, 156740, 189190, 308870, 321623, 378380, 525079, 617740, 643246, 1050158, 1267573, 1286492, 1608115, 2100316, 2535146, 2625395, 3216230, 5070292, 5250790, 6337865, 6432460, 8721659, 10501580, 12675730, 17443318, 21548741, 25351460, 34886636, 43097482, 43608295, 86194964, 87216590, 107743705, 148268203, 174433180, 215487410, 296536406, 430974820, 584351153, 593072812, 741341015, 1168702306, 1482682030, 2337404612, 2921755765, 2965364060, 5843511530, 9933969601, 11687023060, 19867939202, 39735878404, 49669848005, 99339696010, 198679392020]

約数ペア:

[(1, 198679392020), (2, 99339696010), (4, 49669848005), (5, 39735878404), (10, 19867939202), (17, 11687023060), (20, 9933969601), (34, 5843511530), (67, 2965364060), (68, 2921755765), (85, 2337404612), (134, 1482682030), (170, 1168702306), (268, 741341015), (335, 593072812), (340, 584351153), (461, 430974820), (670, 296536406), (922, 215487410), (1139, 174433180), (1340, 148268203), (1844, 107743705), (2278, 87216590), (2305, 86194964), (4556, 43608295), (4610, 43097482), (5695, 34886636), (7837, 25351460), (9220, 21548741), (11390, 17443318), (15674, 12675730), (18919, 10501580), (22780, 8721659), (30887, 6432460), (31348, 6337865), (37838, 5250790), (39185, 5070292), (61774, 3216230), (75676, 2625395), (78370, 2535146), (94595, 2100316), (123548, 1608115), (154435, 1286492), (156740, 1267573), (189190, 1050158), (308870, 643246), (321623, 617740), (378380, 525079)]