898291280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{153817}}^1$

素因数の和:153903

約数の個数: 40

約数和(自身を含む): 2117150952

約数和(自身を除く): 1218859672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 153817, 307634, 615268, 769085, 1230536, 1538170, 2461072, 3076340, 6152680, 11228641, 12305360, 22457282, 44914564, 56143205, 89829128, 112286410, 179658256, 224572820, 449145640, 898291280]

約数ペア:

[(1, 898291280), (2, 449145640), (4, 224572820), (5, 179658256), (8, 112286410), (10, 89829128), (16, 56143205), (20, 44914564), (40, 22457282), (73, 12305360), (80, 11228641), (146, 6152680), (292, 3076340), (365, 2461072), (584, 1538170), (730, 1230536), (1168, 769085), (1460, 615268), (2920, 307634), (5840, 153817)]