49451940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1069}}^1$

素因数の和:1341

約数の個数: 72

約数和(自身を含む): 150728760

約数和(自身を除く): 101276820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1069, 1285, 1542, 2138, 2313, 2570, 3084, 3207, 3855, 4276, 4626, 5140, 5345, 6414, 7710, 9252, 9621, 10690, 11565, 12828, 15420, 16035, 19242, 21380, 23130, 32070, 38484, 46260, 48105, 64140, 96210, 192420, 274733, 549466, 824199, 1098932, 1373665, 1648398, 2472597, 2747330, 3296796, 4120995, 4945194, 5494660, 8241990, 9890388, 12362985, 16483980, 24725970, 49451940]

約数ペア:

[(1, 49451940), (2, 24725970), (3, 16483980), (4, 12362985), (5, 9890388), (6, 8241990), (9, 5494660), (10, 4945194), (12, 4120995), (15, 3296796), (18, 2747330), (20, 2472597), (30, 1648398), (36, 1373665), (45, 1098932), (60, 824199), (90, 549466), (180, 274733), (257, 192420), (514, 96210), (771, 64140), (1028, 48105), (1069, 46260), (1285, 38484), (1542, 32070), (2138, 23130), (2313, 21380), (2570, 19242), (3084, 16035), (3207, 15420), (3855, 12828), (4276, 11565), (4626, 10690), (5140, 9621), (5345, 9252), (6414, 7710)]