447643300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 1092586320

約数和(自身を除く): 644943020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 73, 89, 100, 106, 130, 146, 178, 212, 260, 265, 292, 325, 356, 365, 445, 530, 650, 689, 730, 890, 949, 1060, 1157, 1300, 1325, 1378, 1460, 1780, 1825, 1898, 2225, 2314, 2650, 2756, 3445, 3650, 3796, 3869, 4450, 4628, 4717, 4745, 5300, 5785, 6497, 6890, 7300, 7738, 8900, 9434, 9490, 11570, 12994, 13780, 15476, 17225, 18868, 18980, 19345, 23140, 23585, 23725, 25988, 28925, 32485, 34450, 38690, 47170, 47450, 50297, 57850, 61321, 64970, 68900, 77380, 84461, 94340, 94900, 96725, 100594, 115700, 117925, 122642, 129940, 162425, 168922, 193450, 201188, 235850, 245284, 251485, 306605, 324850, 337844, 344341, 386900, 422305, 471700, 502970, 613210, 649700, 688682, 844610, 1005940, 1226420, 1257425, 1377364, 1533025, 1689220, 1721705, 2111525, 2514850, 3066050, 3443410, 4223050, 4476433, 5029700, 6132100, 6886820, 8446100, 8608525, 8952866, 17217050, 17905732, 22382165, 34434100, 44764330, 89528660, 111910825, 223821650, 447643300]

約数ペア:

[(1, 447643300), (2, 223821650), (4, 111910825), (5, 89528660), (10, 44764330), (13, 34434100), (20, 22382165), (25, 17905732), (26, 17217050), (50, 8952866), (52, 8608525), (53, 8446100), (65, 6886820), (73, 6132100), (89, 5029700), (100, 4476433), (106, 4223050), (130, 3443410), (146, 3066050), (178, 2514850), (212, 2111525), (260, 1721705), (265, 1689220), (292, 1533025), (325, 1377364), (356, 1257425), (365, 1226420), (445, 1005940), (530, 844610), (650, 688682), (689, 649700), (730, 613210), (890, 502970), (949, 471700), (1060, 422305), (1157, 386900), (1300, 344341), (1325, 337844), (1378, 324850), (1460, 306605), (1780, 251485), (1825, 245284), (1898, 235850), (2225, 201188), (2314, 193450), (2650, 168922), (2756, 162425), (3445, 129940), (3650, 122642), (3796, 117925), (3869, 115700), (4450, 100594), (4628, 96725), (4717, 94900), (4745, 94340), (5300, 84461), (5785, 77380), (6497, 68900), (6890, 64970), (7300, 61321), (7738, 57850), (8900, 50297), (9434, 47450), (9490, 47170), (11570, 38690), (12994, 34450), (13780, 32485), (15476, 28925), (17225, 25988), (18868, 23725), (18980, 23585), (19345, 23140)]