388467520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2843}}^1$

素因数の和:2928

約数の個数: 112

約数和(自身を含む): 1074895488

約数和(自身を除く): 686427968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 854, 976, 1120, 1220, 1708, 1952, 2135, 2240, 2440, 2843, 3416, 3904, 4270, 4880, 5686, 6832, 8540, 9760, 11372, 13664, 14215, 17080, 19520, 19901, 22744, 27328, 28430, 34160, 39802, 45488, 56860, 68320, 79604, 90976, 99505, 113720, 136640, 159208, 173423, 181952, 199010, 227440, 318416, 346846, 398020, 454880, 636832, 693692, 796040, 867115, 909760, 1213961, 1273664, 1387384, 1592080, 1734230, 2427922, 2774768, 3184160, 3468460, 4855844, 5549536, 6069805, 6368320, 6936920, 9711688, 11099072, 12139610, 13873840, 19423376, 24279220, 27747680, 38846752, 48558440, 55495360, 77693504, 97116880, 194233760, 388467520]

約数ペア:

[(1, 388467520), (2, 194233760), (4, 97116880), (5, 77693504), (7, 55495360), (8, 48558440), (10, 38846752), (14, 27747680), (16, 24279220), (20, 19423376), (28, 13873840), (32, 12139610), (35, 11099072), (40, 9711688), (56, 6936920), (61, 6368320), (64, 6069805), (70, 5549536), (80, 4855844), (112, 3468460), (122, 3184160), (140, 2774768), (160, 2427922), (224, 1734230), (244, 1592080), (280, 1387384), (305, 1273664), (320, 1213961), (427, 909760), (448, 867115), (488, 796040), (560, 693692), (610, 636832), (854, 454880), (976, 398020), (1120, 346846), (1220, 318416), (1708, 227440), (1952, 199010), (2135, 181952), (2240, 173423), (2440, 159208), (2843, 136640), (3416, 113720), (3904, 99505), (4270, 90976), (4880, 79604), (5686, 68320), (6832, 56860), (8540, 45488), (9760, 39802), (11372, 34160), (13664, 28430), (14215, 27328), (17080, 22744), (19520, 19901)]