738820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 1714608

約数和(自身を除く): 975788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 53, 68, 82, 85, 106, 164, 170, 205, 212, 265, 340, 410, 530, 697, 820, 901, 1060, 1394, 1802, 2173, 2788, 3485, 3604, 4346, 4505, 6970, 8692, 9010, 10865, 13940, 18020, 21730, 36941, 43460, 73882, 147764, 184705, 369410, 738820]

約数ペア:

[(1, 738820), (2, 369410), (4, 184705), (5, 147764), (10, 73882), (17, 43460), (20, 36941), (34, 21730), (41, 18020), (53, 13940), (68, 10865), (82, 9010), (85, 8692), (106, 6970), (164, 4505), (170, 4346), (205, 3604), (212, 3485), (265, 2788), (340, 2173), (410, 1802), (530, 1394), (697, 1060), (820, 901)]