728604870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{499}}^1$

素因数の和:942

約数の個数: 128

約数和(自身を含む): 2125440000

約数和(自身を除く): 1396835130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 409, 499, 510, 595, 714, 818, 998, 1190, 1227, 1497, 1785, 2045, 2454, 2495, 2863, 2994, 3493, 3570, 4090, 4990, 5726, 6135, 6953, 6986, 7485, 8483, 8589, 10479, 12270, 13906, 14315, 14970, 16966, 17178, 17465, 20859, 20958, 25449, 28630, 34765, 34930, 41718, 42415, 42945, 48671, 50898, 52395, 59381, 69530, 84830, 85890, 97342, 104295, 104790, 118762, 127245, 146013, 178143, 204091, 208590, 243355, 254490, 292026, 296905, 356286, 408182, 486710, 593810, 612273, 730065, 890715, 1020455, 1224546, 1428637, 1460130, 1781430, 2040910, 2857274, 3061365, 3469547, 4285911, 6122730, 6939094, 7143185, 8571822, 10408641, 14286370, 17347735, 20817282, 21429555, 24286829, 34695470, 42859110, 48573658, 52043205, 72860487, 104086410, 121434145, 145720974, 242868290, 364302435, 728604870]

約数ペア:

[(1, 728604870), (2, 364302435), (3, 242868290), (5, 145720974), (6, 121434145), (7, 104086410), (10, 72860487), (14, 52043205), (15, 48573658), (17, 42859110), (21, 34695470), (30, 24286829), (34, 21429555), (35, 20817282), (42, 17347735), (51, 14286370), (70, 10408641), (85, 8571822), (102, 7143185), (105, 6939094), (119, 6122730), (170, 4285911), (210, 3469547), (238, 3061365), (255, 2857274), (357, 2040910), (409, 1781430), (499, 1460130), (510, 1428637), (595, 1224546), (714, 1020455), (818, 890715), (998, 730065), (1190, 612273), (1227, 593810), (1497, 486710), (1785, 408182), (2045, 356286), (2454, 296905), (2495, 292026), (2863, 254490), (2994, 243355), (3493, 208590), (3570, 204091), (4090, 178143), (4990, 146013), (5726, 127245), (6135, 118762), (6953, 104790), (6986, 104295), (7485, 97342), (8483, 85890), (8589, 84830), (10479, 69530), (12270, 59381), (13906, 52395), (14315, 50898), (14970, 48671), (16966, 42945), (17178, 42415), (17465, 41718), (20859, 34930), (20958, 34765), (25449, 28630)]