28867300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 81994752

約数和(自身を除く): 53127452

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, 163, 175, 220, 230, 253, 275, 308, 322, 326, 350, 385, 460, 506, 550, 575, 644, 652, 700, 770, 805, 815, 1012, 1100, 1141, 1150, 1265, 1540, 1610, 1630, 1771, 1793, 1925, 2282, 2300, 2530, 3220, 3260, 3542, 3586, 3749, 3850, 4025, 4075, 4564, 5060, 5705, 6325, 7084, 7172, 7498, 7700, 8050, 8150, 8855, 8965, 11410, 12551, 12650, 14996, 16100, 16300, 17710, 17930, 18745, 22820, 25102, 25300, 26243, 28525, 35420, 35860, 37490, 41239, 44275, 44825, 50204, 52486, 57050, 62755, 74980, 82478, 88550, 89650, 93725, 104972, 114100, 125510, 131215, 164956, 177100, 179300, 187450, 206195, 251020, 262430, 288673, 313775, 374900, 412390, 524860, 577346, 627550, 656075, 824780, 1030975, 1154692, 1255100, 1312150, 1443365, 2061950, 2624300, 2886730, 4123900, 5773460, 7216825, 14433650, 28867300]

約数ペア:

[(1, 28867300), (2, 14433650), (4, 7216825), (5, 5773460), (7, 4123900), (10, 2886730), (11, 2624300), (14, 2061950), (20, 1443365), (22, 1312150), (23, 1255100), (25, 1154692), (28, 1030975), (35, 824780), (44, 656075), (46, 627550), (50, 577346), (55, 524860), (70, 412390), (77, 374900), (92, 313775), (100, 288673), (110, 262430), (115, 251020), (140, 206195), (154, 187450), (161, 179300), (163, 177100), (175, 164956), (220, 131215), (230, 125510), (253, 114100), (275, 104972), (308, 93725), (322, 89650), (326, 88550), (350, 82478), (385, 74980), (460, 62755), (506, 57050), (550, 52486), (575, 50204), (644, 44825), (652, 44275), (700, 41239), (770, 37490), (805, 35860), (815, 35420), (1012, 28525), (1100, 26243), (1141, 25300), (1150, 25102), (1265, 22820), (1540, 18745), (1610, 17930), (1630, 17710), (1771, 16300), (1793, 16100), (1925, 14996), (2282, 12650), (2300, 12551), (2530, 11410), (3220, 8965), (3260, 8855), (3542, 8150), (3586, 8050), (3749, 7700), (3850, 7498), (4025, 7172), (4075, 7084), (4564, 6325), (5060, 5705)]