1299973900

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 2860848144

約数和(自身を除く): 1560874244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 173, 326, 346, 461, 652, 692, 815, 865, 922, 1630, 1730, 1844, 2305, 3260, 3460, 4075, 4325, 4610, 8150, 8650, 9220, 11525, 16300, 17300, 23050, 28199, 46100, 56398, 75143, 79753, 112796, 140995, 150286, 159506, 281990, 300572, 319012, 375715, 398765, 563980, 704975, 751430, 797530, 1409950, 1502860, 1595060, 1878575, 1993825, 2819900, 3757150, 3987650, 7514300, 7975300, 12999739, 25999478, 51998956, 64998695, 129997390, 259994780, 324993475, 649986950, 1299973900]

約数ペア:

[(1, 1299973900), (2, 649986950), (4, 324993475), (5, 259994780), (10, 129997390), (20, 64998695), (25, 51998956), (50, 25999478), (100, 12999739), (163, 7975300), (173, 7514300), (326, 3987650), (346, 3757150), (461, 2819900), (652, 1993825), (692, 1878575), (815, 1595060), (865, 1502860), (922, 1409950), (1630, 797530), (1730, 751430), (1844, 704975), (2305, 563980), (3260, 398765), (3460, 375715), (4075, 319012), (4325, 300572), (4610, 281990), (8150, 159506), (8650, 150286), (9220, 140995), (11525, 112796), (16300, 79753), (17300, 75143), (23050, 56398), (28199, 46100)]