205935280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151423}}^1$

素因数の和:151453

約数の個数: 40

約数和(自身を含む): 506967552

約数和(自身を除く): 301032272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 151423, 302846, 605692, 757115, 1211384, 1514230, 2422768, 2574191, 3028460, 5148382, 6056920, 10296764, 12113840, 12870955, 20593528, 25741910, 41187056, 51483820, 102967640, 205935280]

約数ペア:

[(1, 205935280), (2, 102967640), (4, 51483820), (5, 41187056), (8, 25741910), (10, 20593528), (16, 12870955), (17, 12113840), (20, 10296764), (34, 6056920), (40, 5148382), (68, 3028460), (80, 2574191), (85, 2422768), (136, 1514230), (170, 1211384), (272, 757115), (340, 605692), (680, 302846), (1360, 151423)]