19552500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 180

約数和(自身を含む): 68228160

約数和(自身を除く): 48675660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 79, 90, 99, 100, 110, 125, 132, 150, 158, 165, 180, 198, 220, 225, 237, 250, 275, 300, 316, 330, 375, 395, 396, 450, 474, 495, 500, 550, 625, 660, 711, 750, 790, 825, 869, 900, 948, 990, 1100, 1125, 1185, 1250, 1375, 1422, 1500, 1580, 1650, 1738, 1875, 1975, 1980, 2250, 2370, 2475, 2500, 2607, 2750, 2844, 3300, 3476, 3555, 3750, 3950, 4125, 4345, 4500, 4740, 4950, 5214, 5500, 5625, 5925, 6875, 7110, 7500, 7821, 7900, 8250, 8690, 9875, 9900, 10428, 11250, 11850, 12375, 13035, 13750, 14220, 15642, 16500, 17380, 17775, 19750, 20625, 21725, 22500, 23700, 24750, 26070, 27500, 29625, 31284, 35550, 39105, 39500, 41250, 43450, 49375, 49500, 52140, 59250, 61875, 65175, 71100, 78210, 82500, 86900, 88875, 98750, 108625, 118500, 123750, 130350, 148125, 156420, 177750, 195525, 197500, 217250, 247500, 260700, 296250, 325875, 355500, 391050, 434500, 444375, 543125, 592500, 651750, 782100, 888750, 977625, 1086250, 1303500, 1629375, 1777500, 1955250, 2172500, 3258750, 3910500, 4888125, 6517500, 9776250, 19552500]

約数ペア:

[(1, 19552500), (2, 9776250), (3, 6517500), (4, 4888125), (5, 3910500), (6, 3258750), (9, 2172500), (10, 1955250), (11, 1777500), (12, 1629375), (15, 1303500), (18, 1086250), (20, 977625), (22, 888750), (25, 782100), (30, 651750), (33, 592500), (36, 543125), (44, 444375), (45, 434500), (50, 391050), (55, 355500), (60, 325875), (66, 296250), (75, 260700), (79, 247500), (90, 217250), (99, 197500), (100, 195525), (110, 177750), (125, 156420), (132, 148125), (150, 130350), (158, 123750), (165, 118500), (180, 108625), (198, 98750), (220, 88875), (225, 86900), (237, 82500), (250, 78210), (275, 71100), (300, 65175), (316, 61875), (330, 59250), (375, 52140), (395, 49500), (396, 49375), (450, 43450), (474, 41250), (495, 39500), (500, 39105), (550, 35550), (625, 31284), (660, 29625), (711, 27500), (750, 26070), (790, 24750), (825, 23700), (869, 22500), (900, 21725), (948, 20625), (990, 19750), (1100, 17775), (1125, 17380), (1185, 16500), (1250, 15642), (1375, 14220), (1422, 13750), (1500, 13035), (1580, 12375), (1650, 11850), (1738, 11250), (1875, 10428), (1975, 9900), (1980, 9875), (2250, 8690), (2370, 8250), (2475, 7900), (2500, 7821), (2607, 7500), (2750, 7110), (2844, 6875), (3300, 5925), (3476, 5625), (3555, 5500), (3750, 5214), (3950, 4950), (4125, 4740), (4345, 4500)]