199465380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1697}}^1$

素因数の和:2365

約数の個数: 72

約数和(自身を含む): 606328632

約数和(自身を除く): 406863252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 653, 1306, 1697, 1959, 2612, 3265, 3394, 3918, 5091, 5877, 6530, 6788, 7836, 8485, 9795, 10182, 11754, 13060, 15273, 16970, 19590, 20364, 23508, 25455, 29385, 30546, 33940, 39180, 50910, 58770, 61092, 76365, 101820, 117540, 152730, 305460, 1108141, 2216282, 3324423, 4432564, 5540705, 6648846, 9973269, 11081410, 13297692, 16622115, 19946538, 22162820, 33244230, 39893076, 49866345, 66488460, 99732690, 199465380]

約数ペア:

[(1, 199465380), (2, 99732690), (3, 66488460), (4, 49866345), (5, 39893076), (6, 33244230), (9, 22162820), (10, 19946538), (12, 16622115), (15, 13297692), (18, 11081410), (20, 9973269), (30, 6648846), (36, 5540705), (45, 4432564), (60, 3324423), (90, 2216282), (180, 1108141), (653, 305460), (1306, 152730), (1697, 117540), (1959, 101820), (2612, 76365), (3265, 61092), (3394, 58770), (3918, 50910), (5091, 39180), (5877, 33940), (6530, 30546), (6788, 29385), (7836, 25455), (8485, 23508), (9795, 20364), (10182, 19590), (11754, 16970), (13060, 15273)]