198868720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 160

約数和(自身を含む): 520680960

約数和(自身を除く): 321812240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 53, 62, 68, 80, 85, 89, 106, 124, 136, 155, 170, 178, 212, 248, 265, 272, 310, 340, 356, 424, 445, 496, 527, 530, 620, 680, 712, 848, 890, 901, 1054, 1060, 1240, 1360, 1424, 1513, 1643, 1780, 1802, 2108, 2120, 2480, 2635, 2759, 3026, 3286, 3560, 3604, 4216, 4240, 4505, 4717, 5270, 5518, 6052, 6572, 7120, 7208, 7565, 8215, 8432, 9010, 9434, 10540, 11036, 12104, 13144, 13795, 14416, 15130, 16430, 18020, 18868, 21080, 22072, 23585, 24208, 26288, 27590, 27931, 30260, 32860, 36040, 37736, 42160, 44144, 46903, 47170, 55180, 55862, 60520, 65720, 72080, 75472, 80189, 93806, 94340, 110360, 111724, 121040, 131440, 139655, 146227, 160378, 187612, 188680, 220720, 223448, 234515, 279310, 292454, 320756, 375224, 377360, 400945, 446896, 469030, 558620, 584908, 641512, 731135, 750448, 801890, 938060, 1117240, 1169816, 1283024, 1462270, 1603780, 1876120, 2234480, 2339632, 2485859, 2924540, 3207560, 3752240, 4971718, 5849080, 6415120, 9943436, 11698160, 12429295, 19886872, 24858590, 39773744, 49717180, 99434360, 198868720]

約数ペア:

[(1, 198868720), (2, 99434360), (4, 49717180), (5, 39773744), (8, 24858590), (10, 19886872), (16, 12429295), (17, 11698160), (20, 9943436), (31, 6415120), (34, 5849080), (40, 4971718), (53, 3752240), (62, 3207560), (68, 2924540), (80, 2485859), (85, 2339632), (89, 2234480), (106, 1876120), (124, 1603780), (136, 1462270), (155, 1283024), (170, 1169816), (178, 1117240), (212, 938060), (248, 801890), (265, 750448), (272, 731135), (310, 641512), (340, 584908), (356, 558620), (424, 469030), (445, 446896), (496, 400945), (527, 377360), (530, 375224), (620, 320756), (680, 292454), (712, 279310), (848, 234515), (890, 223448), (901, 220720), (1054, 188680), (1060, 187612), (1240, 160378), (1360, 146227), (1424, 139655), (1513, 131440), (1643, 121040), (1780, 111724), (1802, 110360), (2108, 94340), (2120, 93806), (2480, 80189), (2635, 75472), (2759, 72080), (3026, 65720), (3286, 60520), (3560, 55862), (3604, 55180), (4216, 47170), (4240, 46903), (4505, 44144), (4717, 42160), (5270, 37736), (5518, 36040), (6052, 32860), (6572, 30260), (7120, 27931), (7208, 27590), (7565, 26288), (8215, 24208), (8432, 23585), (9010, 22072), (9434, 21080), (10540, 18868), (11036, 18020), (12104, 16430), (13144, 15130), (13795, 14416)]