201717390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:334

約数の個数: 128

約数和(自身を含む): 571318272

約数和(自身を除く): 369600882

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 83, 105, 142, 163, 166, 210, 213, 249, 326, 355, 415, 426, 489, 497, 498, 581, 710, 815, 830, 978, 994, 1065, 1141, 1162, 1245, 1491, 1630, 1743, 2130, 2282, 2445, 2485, 2490, 2905, 2982, 3423, 3486, 4890, 4970, 5705, 5810, 5893, 6846, 7455, 8715, 11410, 11573, 11786, 13529, 14910, 17115, 17430, 17679, 23146, 27058, 29465, 34230, 34719, 35358, 40587, 41251, 57865, 58930, 67645, 69438, 81011, 81174, 82502, 88395, 94703, 115730, 123753, 135290, 162022, 173595, 176790, 189406, 202935, 206255, 243033, 247506, 284109, 347190, 405055, 405870, 412510, 473515, 486066, 568218, 618765, 810110, 947030, 960559, 1215165, 1237530, 1420545, 1921118, 2430330, 2841090, 2881677, 4802795, 5763354, 6723913, 9605590, 13447826, 14408385, 20171739, 28816770, 33619565, 40343478, 67239130, 100858695, 201717390]

約数ペア:

[(1, 201717390), (2, 100858695), (3, 67239130), (5, 40343478), (6, 33619565), (7, 28816770), (10, 20171739), (14, 14408385), (15, 13447826), (21, 9605590), (30, 6723913), (35, 5763354), (42, 4802795), (70, 2881677), (71, 2841090), (83, 2430330), (105, 1921118), (142, 1420545), (163, 1237530), (166, 1215165), (210, 960559), (213, 947030), (249, 810110), (326, 618765), (355, 568218), (415, 486066), (426, 473515), (489, 412510), (497, 405870), (498, 405055), (581, 347190), (710, 284109), (815, 247506), (830, 243033), (978, 206255), (994, 202935), (1065, 189406), (1141, 176790), (1162, 173595), (1245, 162022), (1491, 135290), (1630, 123753), (1743, 115730), (2130, 94703), (2282, 88395), (2445, 82502), (2485, 81174), (2490, 81011), (2905, 69438), (2982, 67645), (3423, 58930), (3486, 57865), (4890, 41251), (4970, 40587), (5705, 35358), (5810, 34719), (5893, 34230), (6846, 29465), (7455, 27058), (8715, 23146), (11410, 17679), (11573, 17430), (11786, 17115), (13529, 14910)]