738851860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{11239}}^1$

素因数の和:11440

約数の個数: 48

約数和(自身を含む): 1642838400

約数和(自身を除く): 903986540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 346, 380, 692, 865, 1730, 3287, 3460, 6574, 11239, 13148, 16435, 22478, 32870, 44956, 56195, 65740, 112390, 213541, 224780, 427082, 854164, 1067705, 1944347, 2135410, 3888694, 4270820, 7777388, 9721735, 19443470, 36942593, 38886940, 73885186, 147770372, 184712965, 369425930, 738851860]

約数ペア:

[(1, 738851860), (2, 369425930), (4, 184712965), (5, 147770372), (10, 73885186), (19, 38886940), (20, 36942593), (38, 19443470), (76, 9721735), (95, 7777388), (173, 4270820), (190, 3888694), (346, 2135410), (380, 1944347), (692, 1067705), (865, 854164), (1730, 427082), (3287, 224780), (3460, 213541), (6574, 112390), (11239, 65740), (13148, 56195), (16435, 44956), (22478, 32870)]