201889280

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4639}}^1$

素因数の和:4679

約数の個数: 80

約数和(自身を含む): 512645760

約数和(自身を除く): 310756480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 4639, 5440, 8704, 9278, 10880, 18556, 21760, 23195, 37112, 43520, 46390, 74224, 78863, 92780, 148448, 157726, 185560, 296896, 315452, 371120, 394315, 593792, 630904, 742240, 788630, 1187584, 1261808, 1484480, 1577260, 2375168, 2523616, 2968960, 3154520, 5047232, 5937920, 6309040, 10094464, 11875840, 12618080, 20188928, 25236160, 40377856, 50472320, 100944640, 201889280]

約数ペア:

[(1, 201889280), (2, 100944640), (4, 50472320), (5, 40377856), (8, 25236160), (10, 20188928), (16, 12618080), (17, 11875840), (20, 10094464), (32, 6309040), (34, 5937920), (40, 5047232), (64, 3154520), (68, 2968960), (80, 2523616), (85, 2375168), (128, 1577260), (136, 1484480), (160, 1261808), (170, 1187584), (256, 788630), (272, 742240), (320, 630904), (340, 593792), (512, 394315), (544, 371120), (640, 315452), (680, 296896), (1088, 185560), (1280, 157726), (1360, 148448), (2176, 92780), (2560, 78863), (2720, 74224), (4352, 46390), (4639, 43520), (5440, 37112), (8704, 23195), (9278, 21760), (10880, 18556)]