2019979000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{155383}}^1$

素因数の和:155417

約数の個数: 64

約数和(自身を含む): 5090379840

約数和(自身を除く): 3070400840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 155383, 310766, 621532, 776915, 1243064, 1553830, 2019979, 3107660, 3884575, 4039958, 6215320, 7769150, 8079916, 10099895, 15538300, 16159832, 19422875, 20199790, 31076600, 38845750, 40399580, 50499475, 77691500, 80799160, 100998950, 155383000, 201997900, 252497375, 403995800, 504994750, 1009989500, 2019979000]

約数ペア:

[(1, 2019979000), (2, 1009989500), (4, 504994750), (5, 403995800), (8, 252497375), (10, 201997900), (13, 155383000), (20, 100998950), (25, 80799160), (26, 77691500), (40, 50499475), (50, 40399580), (52, 38845750), (65, 31076600), (100, 20199790), (104, 19422875), (125, 16159832), (130, 15538300), (200, 10099895), (250, 8079916), (260, 7769150), (325, 6215320), (500, 4039958), (520, 3884575), (650, 3107660), (1000, 2019979), (1300, 1553830), (1625, 1243064), (2600, 776915), (3250, 621532), (6500, 310766), (13000, 155383)]