4920820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 11240208

約数和(自身を除く): 6319388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 353, 410, 697, 706, 820, 1394, 1412, 1765, 2788, 3485, 3530, 6001, 6970, 7060, 12002, 13940, 14473, 24004, 28946, 30005, 57892, 60010, 72365, 120020, 144730, 246041, 289460, 492082, 984164, 1230205, 2460410, 4920820]

約数ペア:

[(1, 4920820), (2, 2460410), (4, 1230205), (5, 984164), (10, 492082), (17, 289460), (20, 246041), (34, 144730), (41, 120020), (68, 72365), (82, 60010), (85, 57892), (164, 30005), (170, 28946), (205, 24004), (340, 14473), (353, 13940), (410, 12002), (697, 7060), (706, 6970), (820, 6001), (1394, 3530), (1412, 3485), (1765, 2788)]