219664900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 594961920

約数和(自身を除く): 375297020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 101, 130, 140, 175, 182, 202, 239, 260, 325, 350, 364, 404, 455, 478, 505, 650, 700, 707, 910, 956, 1010, 1195, 1300, 1313, 1414, 1673, 1820, 2020, 2275, 2390, 2525, 2626, 2828, 3107, 3346, 3535, 4550, 4780, 5050, 5252, 5975, 6214, 6565, 6692, 7070, 8365, 9100, 9191, 10100, 11950, 12428, 13130, 14140, 15535, 16730, 17675, 18382, 21749, 23900, 24139, 26260, 31070, 32825, 33460, 35350, 36764, 41825, 43498, 45955, 48278, 62140, 65650, 70700, 77675, 83650, 86996, 91910, 96556, 108745, 120695, 131300, 155350, 167300, 168973, 183820, 217490, 229775, 241390, 310700, 313807, 337946, 434980, 459550, 482780, 543725, 603475, 627614, 675892, 844865, 919100, 1087450, 1206950, 1255228, 1569035, 1689730, 2174900, 2196649, 2413900, 3138070, 3379460, 4224325, 4393298, 6276140, 7845175, 8448650, 8786596, 10983245, 15690350, 16897300, 21966490, 31380700, 43932980, 54916225, 109832450, 219664900]

約数ペア:

[(1, 219664900), (2, 109832450), (4, 54916225), (5, 43932980), (7, 31380700), (10, 21966490), (13, 16897300), (14, 15690350), (20, 10983245), (25, 8786596), (26, 8448650), (28, 7845175), (35, 6276140), (50, 4393298), (52, 4224325), (65, 3379460), (70, 3138070), (91, 2413900), (100, 2196649), (101, 2174900), (130, 1689730), (140, 1569035), (175, 1255228), (182, 1206950), (202, 1087450), (239, 919100), (260, 844865), (325, 675892), (350, 627614), (364, 603475), (404, 543725), (455, 482780), (478, 459550), (505, 434980), (650, 337946), (700, 313807), (707, 310700), (910, 241390), (956, 229775), (1010, 217490), (1195, 183820), (1300, 168973), (1313, 167300), (1414, 155350), (1673, 131300), (1820, 120695), (2020, 108745), (2275, 96556), (2390, 91910), (2525, 86996), (2626, 83650), (2828, 77675), (3107, 70700), (3346, 65650), (3535, 62140), (4550, 48278), (4780, 45955), (5050, 43498), (5252, 41825), (5975, 36764), (6214, 35350), (6565, 33460), (6692, 32825), (7070, 31070), (8365, 26260), (9100, 24139), (9191, 23900), (10100, 21749), (11950, 18382), (12428, 17675), (13130, 16730), (14140, 15535)]