398792340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:602

約数の個数: 144

約数和(自身を含む): 1260539280

約数和(自身を除く): 861746940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 241, 261, 290, 317, 348, 435, 482, 522, 580, 634, 723, 870, 951, 964, 1044, 1205, 1268, 1305, 1446, 1585, 1740, 1902, 2169, 2410, 2610, 2853, 2892, 3170, 3615, 3804, 4338, 4755, 4820, 5220, 5706, 6340, 6989, 7230, 8676, 9193, 9510, 10845, 11412, 13978, 14265, 14460, 18386, 19020, 20967, 21690, 27579, 27956, 28530, 34945, 36772, 41934, 43380, 45965, 55158, 57060, 62901, 69890, 76397, 82737, 83868, 91930, 104835, 110316, 125802, 137895, 139780, 152794, 165474, 183860, 209670, 229191, 251604, 275790, 305588, 314505, 330948, 381985, 413685, 419340, 458382, 551580, 629010, 687573, 763970, 827370, 916764, 1145955, 1258020, 1375146, 1527940, 1654740, 2215513, 2291910, 2750292, 3437865, 4431026, 4583820, 6646539, 6875730, 8862052, 11077565, 13293078, 13751460, 19939617, 22155130, 26586156, 33232695, 39879234, 44310260, 66465390, 79758468, 99698085, 132930780, 199396170, 398792340]

約数ペア:

[(1, 398792340), (2, 199396170), (3, 132930780), (4, 99698085), (5, 79758468), (6, 66465390), (9, 44310260), (10, 39879234), (12, 33232695), (15, 26586156), (18, 22155130), (20, 19939617), (29, 13751460), (30, 13293078), (36, 11077565), (45, 8862052), (58, 6875730), (60, 6646539), (87, 4583820), (90, 4431026), (116, 3437865), (145, 2750292), (174, 2291910), (180, 2215513), (241, 1654740), (261, 1527940), (290, 1375146), (317, 1258020), (348, 1145955), (435, 916764), (482, 827370), (522, 763970), (580, 687573), (634, 629010), (723, 551580), (870, 458382), (951, 419340), (964, 413685), (1044, 381985), (1205, 330948), (1268, 314505), (1305, 305588), (1446, 275790), (1585, 251604), (1740, 229191), (1902, 209670), (2169, 183860), (2410, 165474), (2610, 152794), (2853, 139780), (2892, 137895), (3170, 125802), (3615, 110316), (3804, 104835), (4338, 91930), (4755, 83868), (4820, 82737), (5220, 76397), (5706, 69890), (6340, 62901), (6989, 57060), (7230, 55158), (8676, 45965), (9193, 43380), (9510, 41934), (10845, 36772), (11412, 34945), (13978, 28530), (14265, 27956), (14460, 27579), (18386, 21690), (19020, 20967)]