253138410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1029

約数の個数: 144

約数和(自身を含む): 778992552

約数和(自身を除く): 525854142

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 61, 63, 70, 90, 98, 105, 122, 126, 147, 183, 210, 245, 294, 305, 315, 366, 427, 441, 490, 549, 610, 630, 735, 854, 882, 915, 941, 1098, 1281, 1470, 1830, 1882, 2135, 2205, 2562, 2745, 2823, 2989, 3843, 4270, 4410, 4705, 5490, 5646, 5978, 6405, 6587, 7686, 8469, 8967, 9410, 12810, 13174, 14115, 14945, 16938, 17934, 19215, 19761, 26901, 28230, 29890, 32935, 38430, 39522, 42345, 44835, 46109, 53802, 57401, 59283, 65870, 84690, 89670, 92218, 98805, 114802, 118566, 134505, 138327, 172203, 197610, 230545, 269010, 276654, 287005, 296415, 344406, 401807, 414981, 461090, 516609, 574010, 592830, 691635, 803614, 829962, 861015, 1033218, 1205421, 1383270, 1722030, 2009035, 2074905, 2410842, 2583045, 2812649, 3616263, 4018070, 4149810, 5166090, 5625298, 6027105, 7232526, 8437947, 12054210, 14063245, 16875894, 18081315, 25313841, 28126490, 36162630, 42189735, 50627682, 84379470, 126569205, 253138410]

約数ペア:

[(1, 253138410), (2, 126569205), (3, 84379470), (5, 50627682), (6, 42189735), (7, 36162630), (9, 28126490), (10, 25313841), (14, 18081315), (15, 16875894), (18, 14063245), (21, 12054210), (30, 8437947), (35, 7232526), (42, 6027105), (45, 5625298), (49, 5166090), (61, 4149810), (63, 4018070), (70, 3616263), (90, 2812649), (98, 2583045), (105, 2410842), (122, 2074905), (126, 2009035), (147, 1722030), (183, 1383270), (210, 1205421), (245, 1033218), (294, 861015), (305, 829962), (315, 803614), (366, 691635), (427, 592830), (441, 574010), (490, 516609), (549, 461090), (610, 414981), (630, 401807), (735, 344406), (854, 296415), (882, 287005), (915, 276654), (941, 269010), (1098, 230545), (1281, 197610), (1470, 172203), (1830, 138327), (1882, 134505), (2135, 118566), (2205, 114802), (2562, 98805), (2745, 92218), (2823, 89670), (2989, 84690), (3843, 65870), (4270, 59283), (4410, 57401), (4705, 53802), (5490, 46109), (5646, 44835), (5978, 42345), (6405, 39522), (6587, 38430), (7686, 32935), (8469, 29890), (8967, 28230), (9410, 26901), (12810, 19761), (13174, 19215), (14115, 17934), (14945, 16938)]