406489980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16811}}^1$

素因数の和:16867

約数の個数: 96

約数和(自身を含む): 1265338368

約数和(自身を除く): 858848388

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, 12090, 16811, 24180, 33622, 50433, 67244, 84055, 100866, 168110, 201732, 218543, 252165, 336220, 437086, 504330, 521141, 655629, 874172, 1008660, 1042282, 1092715, 1311258, 1563423, 2084564, 2185430, 2605705, 2622516, 3126846, 3278145, 4370860, 5211410, 6253692, 6556290, 6774833, 7817115, 10422820, 13112580, 13549666, 15634230, 20324499, 27099332, 31268460, 33874165, 40648998, 67748330, 81297996, 101622495, 135496660, 203244990, 406489980]

約数ペア:

[(1, 406489980), (2, 203244990), (3, 135496660), (4, 101622495), (5, 81297996), (6, 67748330), (10, 40648998), (12, 33874165), (13, 31268460), (15, 27099332), (20, 20324499), (26, 15634230), (30, 13549666), (31, 13112580), (39, 10422820), (52, 7817115), (60, 6774833), (62, 6556290), (65, 6253692), (78, 5211410), (93, 4370860), (124, 3278145), (130, 3126846), (155, 2622516), (156, 2605705), (186, 2185430), (195, 2084564), (260, 1563423), (310, 1311258), (372, 1092715), (390, 1042282), (403, 1008660), (465, 874172), (620, 655629), (780, 521141), (806, 504330), (930, 437086), (1209, 336220), (1612, 252165), (1860, 218543), (2015, 201732), (2418, 168110), (4030, 100866), (4836, 84055), (6045, 67244), (8060, 50433), (12090, 33622), (16811, 24180)]