638065470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{12713}}^1$

素因数の和:12969

約数の個数: 64

約数和(自身を含む): 1757583360

約数和(自身を除く): 1119517890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 239, 478, 717, 1195, 1434, 1673, 2390, 3346, 3585, 5019, 7170, 8365, 10038, 12713, 16730, 25095, 25426, 38139, 50190, 63565, 76278, 88991, 127130, 177982, 190695, 266973, 381390, 444955, 533946, 889910, 1334865, 2669730, 3038407, 6076814, 9115221, 15192035, 18230442, 21268849, 30384070, 42537698, 45576105, 63806547, 91152210, 106344245, 127613094, 212688490, 319032735, 638065470]

約数ペア:

[(1, 638065470), (2, 319032735), (3, 212688490), (5, 127613094), (6, 106344245), (7, 91152210), (10, 63806547), (14, 45576105), (15, 42537698), (21, 30384070), (30, 21268849), (35, 18230442), (42, 15192035), (70, 9115221), (105, 6076814), (210, 3038407), (239, 2669730), (478, 1334865), (717, 889910), (1195, 533946), (1434, 444955), (1673, 381390), (2390, 266973), (3346, 190695), (3585, 177982), (5019, 127130), (7170, 88991), (8365, 76278), (10038, 63565), (12713, 50190), (16730, 38139), (25095, 25426)]