291101440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:694

約数の個数: 144

約数和(自身を含む): 813250368

約数和(自身を除く): 522148928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 256, 265, 280, 320, 371, 424, 448, 530, 560, 613, 640, 742, 848, 896, 1060, 1120, 1226, 1280, 1484, 1696, 1792, 1855, 2120, 2240, 2452, 2968, 3065, 3392, 3710, 4240, 4291, 4480, 4904, 5936, 6130, 6784, 7420, 8480, 8582, 8960, 9808, 11872, 12260, 13568, 14840, 16960, 17164, 19616, 21455, 23744, 24520, 29680, 32489, 33920, 34328, 39232, 42910, 47488, 49040, 59360, 64978, 67840, 68656, 78464, 85820, 94976, 98080, 118720, 129956, 137312, 156928, 162445, 171640, 196160, 227423, 237440, 259912, 274624, 324890, 343280, 392320, 454846, 474880, 519824, 549248, 649780, 686560, 784640, 909692, 1039648, 1098496, 1137115, 1299560, 1373120, 1819384, 2079296, 2274230, 2599120, 2746240, 3638768, 4158592, 4548460, 5198240, 5492480, 7277536, 8317184, 9096920, 10396480, 14555072, 18193840, 20792960, 29110144, 36387680, 41585920, 58220288, 72775360, 145550720, 291101440]

約数ペア:

[(1, 291101440), (2, 145550720), (4, 72775360), (5, 58220288), (7, 41585920), (8, 36387680), (10, 29110144), (14, 20792960), (16, 18193840), (20, 14555072), (28, 10396480), (32, 9096920), (35, 8317184), (40, 7277536), (53, 5492480), (56, 5198240), (64, 4548460), (70, 4158592), (80, 3638768), (106, 2746240), (112, 2599120), (128, 2274230), (140, 2079296), (160, 1819384), (212, 1373120), (224, 1299560), (256, 1137115), (265, 1098496), (280, 1039648), (320, 909692), (371, 784640), (424, 686560), (448, 649780), (530, 549248), (560, 519824), (613, 474880), (640, 454846), (742, 392320), (848, 343280), (896, 324890), (1060, 274624), (1120, 259912), (1226, 237440), (1280, 227423), (1484, 196160), (1696, 171640), (1792, 162445), (1855, 156928), (2120, 137312), (2240, 129956), (2452, 118720), (2968, 98080), (3065, 94976), (3392, 85820), (3710, 78464), (4240, 68656), (4291, 67840), (4480, 64978), (4904, 59360), (5936, 49040), (6130, 47488), (6784, 42910), (7420, 39232), (8480, 34328), (8582, 33920), (8960, 32489), (9808, 29680), (11872, 24520), (12260, 23744), (13568, 21455), (14840, 19616), (16960, 17164)]