20199468100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{10193}}^1$

素因数の和:10382

約数の個数: 144

約数和(自身を含む): 53090352000

約数和(自身を除く): 32890883900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 149, 175, 190, 266, 298, 350, 380, 475, 532, 596, 665, 700, 745, 950, 1043, 1330, 1490, 1900, 2086, 2660, 2831, 2980, 3325, 3725, 4172, 5215, 5662, 6650, 7450, 10193, 10430, 11324, 13300, 14155, 14900, 19817, 20386, 20860, 26075, 28310, 39634, 40772, 50965, 52150, 56620, 70775, 71351, 79268, 99085, 101930, 104300, 141550, 142702, 193667, 198170, 203860, 254825, 283100, 285404, 356755, 387334, 396340, 495425, 509650, 713510, 774668, 968335, 990850, 1019300, 1355669, 1427020, 1518757, 1783775, 1936670, 1981700, 2711338, 3037514, 3567550, 3873340, 4841675, 5422676, 6075028, 6778345, 7135100, 7593785, 9683350, 10631299, 13556690, 15187570, 19366700, 21262598, 27113380, 28856383, 30375140, 33891725, 37968925, 42525196, 53156495, 57712766, 67783450, 75937850, 106312990, 115425532, 135566900, 144281915, 151875700, 201994681, 212625980, 265782475, 288563830, 403989362, 531564950, 577127660, 721409575, 807978724, 1009973405, 1063129900, 1442819150, 2019946810, 2885638300, 4039893620, 5049867025, 10099734050, 20199468100]

約数ペア:

[(1, 20199468100), (2, 10099734050), (4, 5049867025), (5, 4039893620), (7, 2885638300), (10, 2019946810), (14, 1442819150), (19, 1063129900), (20, 1009973405), (25, 807978724), (28, 721409575), (35, 577127660), (38, 531564950), (50, 403989362), (70, 288563830), (76, 265782475), (95, 212625980), (100, 201994681), (133, 151875700), (140, 144281915), (149, 135566900), (175, 115425532), (190, 106312990), (266, 75937850), (298, 67783450), (350, 57712766), (380, 53156495), (475, 42525196), (532, 37968925), (596, 33891725), (665, 30375140), (700, 28856383), (745, 27113380), (950, 21262598), (1043, 19366700), (1330, 15187570), (1490, 13556690), (1900, 10631299), (2086, 9683350), (2660, 7593785), (2831, 7135100), (2980, 6778345), (3325, 6075028), (3725, 5422676), (4172, 4841675), (5215, 3873340), (5662, 3567550), (6650, 3037514), (7450, 2711338), (10193, 1981700), (10430, 1936670), (11324, 1783775), (13300, 1518757), (14155, 1427020), (14900, 1355669), (19817, 1019300), (20386, 990850), (20860, 968335), (26075, 774668), (28310, 713510), (39634, 509650), (40772, 495425), (50965, 396340), (52150, 387334), (56620, 356755), (70775, 285404), (71351, 283100), (79268, 254825), (99085, 203860), (101930, 198170), (104300, 193667), (141550, 142702)]