222777450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:581

約数の個数: 144

約数和(自身を含む): 689420160

約数和(自身を除く): 466642710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 197, 210, 225, 315, 350, 359, 394, 450, 525, 591, 630, 718, 985, 1050, 1077, 1182, 1379, 1575, 1773, 1795, 1970, 2154, 2513, 2758, 2955, 3150, 3231, 3546, 3590, 4137, 4925, 5026, 5385, 5910, 6462, 6895, 7539, 8274, 8865, 8975, 9850, 10770, 12411, 12565, 13790, 14775, 15078, 16155, 17730, 17950, 20685, 22617, 24822, 25130, 26925, 29550, 32310, 34475, 37695, 41370, 44325, 45234, 53850, 62055, 62825, 68950, 70723, 75390, 80775, 88650, 103425, 113085, 124110, 125650, 141446, 161550, 188475, 206850, 212169, 226170, 310275, 353615, 376950, 424338, 495061, 565425, 620550, 636507, 707230, 990122, 1060845, 1130850, 1273014, 1485183, 1768075, 2121690, 2475305, 2970366, 3182535, 3536150, 4455549, 4950610, 5304225, 6365070, 7425915, 8911098, 10608450, 12376525, 14851830, 15912675, 22277745, 24753050, 31825350, 37129575, 44555490, 74259150, 111388725, 222777450]

約数ペア:

[(1, 222777450), (2, 111388725), (3, 74259150), (5, 44555490), (6, 37129575), (7, 31825350), (9, 24753050), (10, 22277745), (14, 15912675), (15, 14851830), (18, 12376525), (21, 10608450), (25, 8911098), (30, 7425915), (35, 6365070), (42, 5304225), (45, 4950610), (50, 4455549), (63, 3536150), (70, 3182535), (75, 2970366), (90, 2475305), (105, 2121690), (126, 1768075), (150, 1485183), (175, 1273014), (197, 1130850), (210, 1060845), (225, 990122), (315, 707230), (350, 636507), (359, 620550), (394, 565425), (450, 495061), (525, 424338), (591, 376950), (630, 353615), (718, 310275), (985, 226170), (1050, 212169), (1077, 206850), (1182, 188475), (1379, 161550), (1575, 141446), (1773, 125650), (1795, 124110), (1970, 113085), (2154, 103425), (2513, 88650), (2758, 80775), (2955, 75390), (3150, 70723), (3231, 68950), (3546, 62825), (3590, 62055), (4137, 53850), (4925, 45234), (5026, 44325), (5385, 41370), (5910, 37695), (6462, 34475), (6895, 32310), (7539, 29550), (8274, 26925), (8865, 25130), (8975, 24822), (9850, 22617), (10770, 20685), (12411, 17950), (12565, 17730), (13790, 16155), (14775, 15078)]