221201840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{41269}}^1$

素因数の和:41349

約数の個数: 40

約数和(自身を含む): 521982960

約数和(自身を除く): 300781120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 41269, 82538, 165076, 206345, 330152, 412690, 660304, 825380, 1650760, 2765023, 3301520, 5530046, 11060092, 13825115, 22120184, 27650230, 44240368, 55300460, 110600920, 221201840]

約数ペア:

[(1, 221201840), (2, 110600920), (4, 55300460), (5, 44240368), (8, 27650230), (10, 22120184), (16, 13825115), (20, 11060092), (40, 5530046), (67, 3301520), (80, 2765023), (134, 1650760), (268, 825380), (335, 660304), (536, 412690), (670, 330152), (1072, 206345), (1340, 165076), (2680, 82538), (5360, 41269)]