280349300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1638

約数の個数: 144

約数和(自身を含む): 791949312

約数和(自身を除く): 511600012

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 25, 28, 35, 44, 46, 50, 55, 70, 77, 92, 100, 110, 115, 140, 154, 161, 175, 220, 230, 253, 275, 308, 322, 350, 385, 460, 506, 550, 575, 644, 700, 770, 805, 1012, 1100, 1150, 1265, 1540, 1583, 1610, 1771, 1925, 2300, 2530, 3166, 3220, 3542, 3850, 4025, 5060, 6325, 6332, 7084, 7700, 7915, 8050, 8855, 11081, 12650, 15830, 16100, 17413, 17710, 22162, 25300, 31660, 34826, 35420, 36409, 39575, 44275, 44324, 55405, 69652, 72818, 79150, 87065, 88550, 110810, 121891, 145636, 158300, 174130, 177100, 182045, 221620, 243782, 254863, 277025, 348260, 364090, 400499, 435325, 487564, 509726, 554050, 609455, 728180, 800998, 870650, 910225, 1019452, 1108100, 1218910, 1274315, 1601996, 1741300, 1820450, 2002495, 2437820, 2548630, 2803493, 3047275, 3640900, 4004990, 5097260, 5606986, 6094550, 6371575, 8009980, 10012475, 11213972, 12189100, 12743150, 14017465, 20024950, 25486300, 28034930, 40049900, 56069860, 70087325, 140174650, 280349300]

約数ペア:

[(1, 280349300), (2, 140174650), (4, 70087325), (5, 56069860), (7, 40049900), (10, 28034930), (11, 25486300), (14, 20024950), (20, 14017465), (22, 12743150), (23, 12189100), (25, 11213972), (28, 10012475), (35, 8009980), (44, 6371575), (46, 6094550), (50, 5606986), (55, 5097260), (70, 4004990), (77, 3640900), (92, 3047275), (100, 2803493), (110, 2548630), (115, 2437820), (140, 2002495), (154, 1820450), (161, 1741300), (175, 1601996), (220, 1274315), (230, 1218910), (253, 1108100), (275, 1019452), (308, 910225), (322, 870650), (350, 800998), (385, 728180), (460, 609455), (506, 554050), (550, 509726), (575, 487564), (644, 435325), (700, 400499), (770, 364090), (805, 348260), (1012, 277025), (1100, 254863), (1150, 243782), (1265, 221620), (1540, 182045), (1583, 177100), (1610, 174130), (1771, 158300), (1925, 145636), (2300, 121891), (2530, 110810), (3166, 88550), (3220, 87065), (3542, 79150), (3850, 72818), (4025, 69652), (5060, 55405), (6325, 44324), (6332, 44275), (7084, 39575), (7700, 36409), (7915, 35420), (8050, 34826), (8855, 31660), (11081, 25300), (12650, 22162), (15830, 17710), (16100, 17413)]