201998040020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2287}}^1\times {\mathrm{90127}}^1$

素因数の和:92437

約数の個数: 72

約数和(自身を含む): 493673596416

約数和(自身を除く): 291675556396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2287, 4574, 9148, 11435, 16009, 22870, 32018, 45740, 64036, 80045, 90127, 112063, 160090, 180254, 224126, 320180, 360508, 448252, 450635, 560315, 630889, 901270, 1120630, 1261778, 1802540, 2241260, 2523556, 3154445, 4416223, 6308890, 8832446, 12617780, 17664892, 22081115, 44162230, 88324460, 206120449, 412240898, 824481796, 1030602245, 1442843143, 2061204490, 2885686286, 4122408980, 5771372572, 7214215715, 10099902001, 14428431430, 20199804002, 28856862860, 40399608004, 50499510005, 100999020010, 201998040020]

約数ペア:

[(1, 201998040020), (2, 100999020010), (4, 50499510005), (5, 40399608004), (7, 28856862860), (10, 20199804002), (14, 14428431430), (20, 10099902001), (28, 7214215715), (35, 5771372572), (49, 4122408980), (70, 2885686286), (98, 2061204490), (140, 1442843143), (196, 1030602245), (245, 824481796), (490, 412240898), (980, 206120449), (2287, 88324460), (4574, 44162230), (9148, 22081115), (11435, 17664892), (16009, 12617780), (22870, 8832446), (32018, 6308890), (45740, 4416223), (64036, 3154445), (80045, 2523556), (90127, 2241260), (112063, 1802540), (160090, 1261778), (180254, 1120630), (224126, 901270), (320180, 630889), (360508, 560315), (448252, 450635)]