209471340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8663}}^1$

素因数の和:8719

約数の個数: 96

約数和(自身を含む): 652087296

約数和(自身を除く): 442615956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 8663, 12090, 17326, 24180, 25989, 34652, 43315, 51978, 86630, 103956, 112619, 129945, 173260, 225238, 259890, 268553, 337857, 450476, 519780, 537106, 563095, 675714, 805659, 1074212, 1126190, 1342765, 1351428, 1611318, 1689285, 2252380, 2685530, 3222636, 3378570, 3491189, 4028295, 5371060, 6757140, 6982378, 8056590, 10473567, 13964756, 16113180, 17455945, 20947134, 34911890, 41894268, 52367835, 69823780, 104735670, 209471340]

約数ペア:

[(1, 209471340), (2, 104735670), (3, 69823780), (4, 52367835), (5, 41894268), (6, 34911890), (10, 20947134), (12, 17455945), (13, 16113180), (15, 13964756), (20, 10473567), (26, 8056590), (30, 6982378), (31, 6757140), (39, 5371060), (52, 4028295), (60, 3491189), (62, 3378570), (65, 3222636), (78, 2685530), (93, 2252380), (124, 1689285), (130, 1611318), (155, 1351428), (156, 1342765), (186, 1126190), (195, 1074212), (260, 805659), (310, 675714), (372, 563095), (390, 537106), (403, 519780), (465, 450476), (620, 337857), (780, 268553), (806, 259890), (930, 225238), (1209, 173260), (1612, 129945), (1860, 112619), (2015, 103956), (2418, 86630), (4030, 51978), (4836, 43315), (6045, 34652), (8060, 25989), (8663, 24180), (12090, 17326)]