208701440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 508599000

約数和(自身を除く): 299897560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 229, 256, 320, 356, 445, 458, 512, 640, 712, 890, 916, 1024, 1145, 1280, 1424, 1780, 1832, 2048, 2290, 2560, 2848, 3560, 3664, 4580, 5120, 5696, 7120, 7328, 9160, 10240, 11392, 14240, 14656, 18320, 20381, 22784, 28480, 29312, 36640, 40762, 45568, 56960, 58624, 73280, 81524, 91136, 101905, 113920, 117248, 146560, 163048, 182272, 203810, 227840, 234496, 293120, 326096, 407620, 455680, 468992, 586240, 652192, 815240, 911360, 1172480, 1304384, 1630480, 2344960, 2608768, 3260960, 5217536, 6521920, 10435072, 13043840, 20870144, 26087680, 41740288, 52175360, 104350720, 208701440]

約数ペア:

[(1, 208701440), (2, 104350720), (4, 52175360), (5, 41740288), (8, 26087680), (10, 20870144), (16, 13043840), (20, 10435072), (32, 6521920), (40, 5217536), (64, 3260960), (80, 2608768), (89, 2344960), (128, 1630480), (160, 1304384), (178, 1172480), (229, 911360), (256, 815240), (320, 652192), (356, 586240), (445, 468992), (458, 455680), (512, 407620), (640, 326096), (712, 293120), (890, 234496), (916, 227840), (1024, 203810), (1145, 182272), (1280, 163048), (1424, 146560), (1780, 117248), (1832, 113920), (2048, 101905), (2290, 91136), (2560, 81524), (2848, 73280), (3560, 58624), (3664, 56960), (4580, 45568), (5120, 40762), (5696, 36640), (7120, 29312), (7328, 28480), (9160, 22784), (10240, 20381), (11392, 18320), (14240, 14656)]