163399450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 315694080

約数和(自身を除く): 152294630

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 271, 310, 389, 542, 775, 778, 1355, 1550, 1945, 2710, 3890, 6775, 8401, 9725, 12059, 13550, 16802, 19450, 24118, 42005, 60295, 84010, 105419, 120590, 210025, 210838, 301475, 420050, 527095, 602950, 1054190, 2635475, 3267989, 5270950, 6535978, 16339945, 32679890, 81699725, 163399450]

約数ペア:

[(1, 163399450), (2, 81699725), (5, 32679890), (10, 16339945), (25, 6535978), (31, 5270950), (50, 3267989), (62, 2635475), (155, 1054190), (271, 602950), (310, 527095), (389, 420050), (542, 301475), (775, 210838), (778, 210025), (1355, 120590), (1550, 105419), (1945, 84010), (2710, 60295), (3890, 42005), (6775, 24118), (8401, 19450), (9725, 16802), (12059, 13550)]