213580380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{273821}}^1$

素因数の和:273846

約数の個数: 48

約数和(自身を含む): 644029344

約数和(自身を除く): 430448964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 273821, 547642, 821463, 1095284, 1369105, 1642926, 2738210, 3285852, 3559673, 4107315, 5476420, 7119346, 8214630, 10679019, 14238692, 16429260, 17798365, 21358038, 35596730, 42716076, 53395095, 71193460, 106790190, 213580380]

約数ペア:

[(1, 213580380), (2, 106790190), (3, 71193460), (4, 53395095), (5, 42716076), (6, 35596730), (10, 21358038), (12, 17798365), (13, 16429260), (15, 14238692), (20, 10679019), (26, 8214630), (30, 7119346), (39, 5476420), (52, 4107315), (60, 3559673), (65, 3285852), (78, 2738210), (130, 1642926), (156, 1369105), (195, 1095284), (260, 821463), (390, 547642), (780, 273821)]