304812820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61703}}^1$

素因数の和:61744

約数の個数: 48

約数和(自身を含む): 725639040

約数和(自身を除く): 420826220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 61703, 123406, 246812, 308515, 617030, 802139, 1172357, 1234060, 1604278, 2344714, 3208556, 4010695, 4689428, 5861785, 8021390, 11723570, 15240641, 16042780, 23447140, 30481282, 60962564, 76203205, 152406410, 304812820]

約数ペア:

[(1, 304812820), (2, 152406410), (4, 76203205), (5, 60962564), (10, 30481282), (13, 23447140), (19, 16042780), (20, 15240641), (26, 11723570), (38, 8021390), (52, 5861785), (65, 4689428), (76, 4010695), (95, 3208556), (130, 2344714), (190, 1604278), (247, 1234060), (260, 1172357), (380, 802139), (494, 617030), (988, 308515), (1235, 246812), (2470, 123406), (4940, 61703)]