197339940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{156619}}^1$

素因数の和:156641

約数の個数: 72

約数和(自身を含む): 684116160

約数和(自身を除く): 486776220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 156619, 313238, 469857, 626476, 783095, 939714, 1096333, 1409571, 1566190, 1879428, 2192666, 2349285, 2819142, 3132380, 3288999, 4385332, 4698570, 5481665, 5638284, 6577998, 7047855, 9397140, 9866997, 10963330, 13155996, 14095710, 16444995, 19733994, 21926660, 28191420, 32889990, 39467988, 49334985, 65779980, 98669970, 197339940]

約数ペア:

[(1, 197339940), (2, 98669970), (3, 65779980), (4, 49334985), (5, 39467988), (6, 32889990), (7, 28191420), (9, 21926660), (10, 19733994), (12, 16444995), (14, 14095710), (15, 13155996), (18, 10963330), (20, 9866997), (21, 9397140), (28, 7047855), (30, 6577998), (35, 5638284), (36, 5481665), (42, 4698570), (45, 4385332), (60, 3288999), (63, 3132380), (70, 2819142), (84, 2349285), (90, 2192666), (105, 1879428), (126, 1566190), (140, 1409571), (180, 1096333), (210, 939714), (252, 783095), (315, 626476), (420, 469857), (630, 313238), (1260, 156619)]