138855200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 144

約数和(自身を含む): 382475520

約数和(自身を除く): 243620320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 160, 176, 200, 220, 248, 275, 310, 341, 352, 400, 440, 496, 509, 550, 620, 682, 775, 800, 880, 992, 1018, 1100, 1240, 1364, 1550, 1705, 1760, 2036, 2200, 2480, 2545, 2728, 3100, 3410, 4072, 4400, 4960, 5090, 5456, 5599, 6200, 6820, 8144, 8525, 8800, 10180, 10912, 11198, 12400, 12725, 13640, 15779, 16288, 17050, 20360, 22396, 24800, 25450, 27280, 27995, 31558, 34100, 40720, 44792, 50900, 54560, 55990, 63116, 68200, 78895, 81440, 89584, 101800, 111980, 126232, 136400, 139975, 157790, 173569, 179168, 203600, 223960, 252464, 272800, 279950, 315580, 347138, 394475, 407200, 447920, 504928, 559900, 631160, 694276, 788950, 867845, 895840, 1119800, 1262320, 1388552, 1577900, 1735690, 2239600, 2524640, 2777104, 3155800, 3471380, 4339225, 4479200, 5554208, 6311600, 6942760, 8678450, 12623200, 13885520, 17356900, 27771040, 34713800, 69427600, 138855200]

約数ペア:

[(1, 138855200), (2, 69427600), (4, 34713800), (5, 27771040), (8, 17356900), (10, 13885520), (11, 12623200), (16, 8678450), (20, 6942760), (22, 6311600), (25, 5554208), (31, 4479200), (32, 4339225), (40, 3471380), (44, 3155800), (50, 2777104), (55, 2524640), (62, 2239600), (80, 1735690), (88, 1577900), (100, 1388552), (110, 1262320), (124, 1119800), (155, 895840), (160, 867845), (176, 788950), (200, 694276), (220, 631160), (248, 559900), (275, 504928), (310, 447920), (341, 407200), (352, 394475), (400, 347138), (440, 315580), (496, 279950), (509, 272800), (550, 252464), (620, 223960), (682, 203600), (775, 179168), (800, 173569), (880, 157790), (992, 139975), (1018, 136400), (1100, 126232), (1240, 111980), (1364, 101800), (1550, 89584), (1705, 81440), (1760, 78895), (2036, 68200), (2200, 63116), (2480, 55990), (2545, 54560), (2728, 50900), (3100, 44792), (3410, 40720), (4072, 34100), (4400, 31558), (4960, 27995), (5090, 27280), (5456, 25450), (5599, 24800), (6200, 22396), (6820, 20360), (8144, 17050), (8525, 16288), (8800, 15779), (10180, 13640), (10912, 12725), (11198, 12400)]