2013787900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 4706420992

約数和(自身を除く): 2692633092

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 37, 50, 62, 74, 97, 100, 124, 148, 155, 181, 185, 194, 310, 362, 370, 388, 485, 620, 724, 740, 775, 905, 925, 970, 1147, 1550, 1810, 1850, 1940, 2294, 2425, 3007, 3100, 3589, 3620, 3700, 4525, 4588, 4850, 5611, 5735, 6014, 6697, 7178, 9050, 9700, 11222, 11470, 12028, 13394, 14356, 15035, 17557, 17945, 18100, 22444, 22940, 26788, 28055, 28675, 30070, 33485, 35114, 35890, 56110, 57350, 60140, 66970, 70228, 71780, 75175, 87785, 89725, 111259, 112220, 114700, 133940, 140275, 150350, 167425, 175570, 179450, 207607, 222518, 280550, 300700, 334850, 351140, 358900, 415214, 438925, 445036, 544267, 556295, 561100, 649609, 669700, 830428, 877850, 1038035, 1088534, 1112590, 1299218, 1755700, 2076070, 2177068, 2225180, 2598436, 2721335, 2781475, 3248045, 4152140, 5190175, 5442670, 5562950, 6496090, 10380350, 10885340, 11125900, 12992180, 13606675, 16240225, 20137879, 20760700, 27213350, 32480450, 40275758, 54426700, 64960900, 80551516, 100689395, 201378790, 402757580, 503446975, 1006893950, 2013787900]

約数ペア:

[(1, 2013787900), (2, 1006893950), (4, 503446975), (5, 402757580), (10, 201378790), (20, 100689395), (25, 80551516), (31, 64960900), (37, 54426700), (50, 40275758), (62, 32480450), (74, 27213350), (97, 20760700), (100, 20137879), (124, 16240225), (148, 13606675), (155, 12992180), (181, 11125900), (185, 10885340), (194, 10380350), (310, 6496090), (362, 5562950), (370, 5442670), (388, 5190175), (485, 4152140), (620, 3248045), (724, 2781475), (740, 2721335), (775, 2598436), (905, 2225180), (925, 2177068), (970, 2076070), (1147, 1755700), (1550, 1299218), (1810, 1112590), (1850, 1088534), (1940, 1038035), (2294, 877850), (2425, 830428), (3007, 669700), (3100, 649609), (3589, 561100), (3620, 556295), (3700, 544267), (4525, 445036), (4588, 438925), (4850, 415214), (5611, 358900), (5735, 351140), (6014, 334850), (6697, 300700), (7178, 280550), (9050, 222518), (9700, 207607), (11222, 179450), (11470, 175570), (12028, 167425), (13394, 150350), (14356, 140275), (15035, 133940), (17557, 114700), (17945, 112220), (18100, 111259), (22444, 89725), (22940, 87785), (26788, 75175), (28055, 71780), (28675, 70228), (30070, 66970), (33485, 60140), (35114, 57350), (35890, 56110)]