213054140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{22147}}^1$

素因数の和:22206

約数の個数: 48

約数和(自身を含む): 494874912

約数和(自身を除く): 281820772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 22147, 44294, 88588, 110735, 221470, 287911, 442940, 575822, 819439, 1151644, 1439555, 1638878, 2879110, 3277756, 4097195, 5758220, 8194390, 10652707, 16388780, 21305414, 42610828, 53263535, 106527070, 213054140]

約数ペア:

[(1, 213054140), (2, 106527070), (4, 53263535), (5, 42610828), (10, 21305414), (13, 16388780), (20, 10652707), (26, 8194390), (37, 5758220), (52, 4097195), (65, 3277756), (74, 2879110), (130, 1638878), (148, 1439555), (185, 1151644), (260, 819439), (370, 575822), (481, 442940), (740, 287911), (962, 221470), (1924, 110735), (2405, 88588), (4810, 44294), (9620, 22147)]