947247470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 2032128000

約数和(自身を除く): 1084880530

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 89, 95, 130, 139, 155, 178, 190, 247, 278, 310, 403, 445, 494, 589, 695, 806, 890, 1157, 1178, 1235, 1390, 1691, 1807, 2015, 2314, 2470, 2641, 2759, 2945, 3382, 3614, 4030, 4309, 5282, 5518, 5785, 5890, 7657, 8455, 8618, 9035, 11570, 12371, 13205, 13795, 15314, 16910, 18070, 21545, 21983, 24742, 26410, 27590, 34333, 35867, 38285, 43090, 43966, 52421, 56017, 61855, 68666, 71734, 76570, 81871, 104842, 109915, 112034, 123710, 160823, 163742, 171665, 179335, 219830, 235049, 262105, 280085, 321646, 343330, 358670, 383501, 409355, 470098, 524210, 560170, 681473, 767002, 804115, 818710, 1064323, 1175245, 1362946, 1608230, 1917505, 2128646, 2350490, 3055637, 3407365, 3835010, 4985513, 5321615, 6111274, 6814730, 7286519, 9971026, 10643230, 14573038, 15278185, 24927565, 30556370, 36432595, 49855130, 72865190, 94724747, 189449494, 473623735, 947247470]

約数ペア:

[(1, 947247470), (2, 473623735), (5, 189449494), (10, 94724747), (13, 72865190), (19, 49855130), (26, 36432595), (31, 30556370), (38, 24927565), (62, 15278185), (65, 14573038), (89, 10643230), (95, 9971026), (130, 7286519), (139, 6814730), (155, 6111274), (178, 5321615), (190, 4985513), (247, 3835010), (278, 3407365), (310, 3055637), (403, 2350490), (445, 2128646), (494, 1917505), (589, 1608230), (695, 1362946), (806, 1175245), (890, 1064323), (1157, 818710), (1178, 804115), (1235, 767002), (1390, 681473), (1691, 560170), (1807, 524210), (2015, 470098), (2314, 409355), (2470, 383501), (2641, 358670), (2759, 343330), (2945, 321646), (3382, 280085), (3614, 262105), (4030, 235049), (4309, 219830), (5282, 179335), (5518, 171665), (5785, 163742), (5890, 160823), (7657, 123710), (8455, 112034), (8618, 109915), (9035, 104842), (11570, 81871), (12371, 76570), (13205, 71734), (13795, 68666), (15314, 61855), (16910, 56017), (18070, 52421), (21545, 43966), (21983, 43090), (24742, 38285), (26410, 35867), (27590, 34333)]