199697940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28447}}^1$

素因数の和:28478

約数の個数: 96

約数和(自身を含む): 669096960

約数和(自身を除く): 469399020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 28447, 56894, 85341, 113788, 142235, 170682, 256023, 284470, 341364, 369811, 426705, 512046, 568940, 739622, 768069, 853410, 1024092, 1109433, 1280115, 1479244, 1536138, 1706820, 1849055, 2218866, 2560230, 3072276, 3328299, 3698110, 3840345, 4437732, 5120460, 5547165, 6656598, 7396220, 7680690, 9984897, 11094330, 13313196, 15361380, 16641495, 19969794, 22188660, 33282990, 39939588, 49924485, 66565980, 99848970, 199697940]

約数ペア:

[(1, 199697940), (2, 99848970), (3, 66565980), (4, 49924485), (5, 39939588), (6, 33282990), (9, 22188660), (10, 19969794), (12, 16641495), (13, 15361380), (15, 13313196), (18, 11094330), (20, 9984897), (26, 7680690), (27, 7396220), (30, 6656598), (36, 5547165), (39, 5120460), (45, 4437732), (52, 3840345), (54, 3698110), (60, 3328299), (65, 3072276), (78, 2560230), (90, 2218866), (108, 1849055), (117, 1706820), (130, 1536138), (135, 1479244), (156, 1280115), (180, 1109433), (195, 1024092), (234, 853410), (260, 768069), (270, 739622), (351, 568940), (390, 512046), (468, 426705), (540, 369811), (585, 341364), (702, 284470), (780, 256023), (1170, 170682), (1404, 142235), (1755, 113788), (2340, 85341), (3510, 56894), (7020, 28447)]