209519460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2269}}^1$

素因数の和:2312

約数の個数: 144

約数和(自身を含む): 694075200

約数和(自身を除く): 484555740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1539, 1620, 1710, 2052, 2269, 2430, 2565, 3078, 3420, 4538, 4617, 4860, 5130, 6156, 6807, 7695, 9076, 9234, 10260, 11345, 13614, 15390, 18468, 20421, 22690, 23085, 27228, 30780, 34035, 40842, 43111, 45380, 46170, 61263, 68070, 81684, 86222, 92340, 102105, 122526, 129333, 136140, 172444, 183789, 204210, 215555, 245052, 258666, 306315, 367578, 387999, 408420, 431110, 517332, 551367, 612630, 646665, 735156, 775998, 862220, 918945, 1102734, 1163997, 1225260, 1293330, 1551996, 1837890, 1939995, 2205468, 2327994, 2586660, 2756835, 3491991, 3675780, 3879990, 4655988, 5513670, 5819985, 6983982, 7759980, 10475973, 11027340, 11639970, 13967964, 17459955, 20951946, 23279940, 34919910, 41903892, 52379865, 69839820, 104759730, 209519460]

約数ペア:

[(1, 209519460), (2, 104759730), (3, 69839820), (4, 52379865), (5, 41903892), (6, 34919910), (9, 23279940), (10, 20951946), (12, 17459955), (15, 13967964), (18, 11639970), (19, 11027340), (20, 10475973), (27, 7759980), (30, 6983982), (36, 5819985), (38, 5513670), (45, 4655988), (54, 3879990), (57, 3675780), (60, 3491991), (76, 2756835), (81, 2586660), (90, 2327994), (95, 2205468), (108, 1939995), (114, 1837890), (135, 1551996), (162, 1293330), (171, 1225260), (180, 1163997), (190, 1102734), (228, 918945), (243, 862220), (270, 775998), (285, 735156), (324, 646665), (342, 612630), (380, 551367), (405, 517332), (486, 431110), (513, 408420), (540, 387999), (570, 367578), (684, 306315), (810, 258666), (855, 245052), (972, 215555), (1026, 204210), (1140, 183789), (1215, 172444), (1539, 136140), (1620, 129333), (1710, 122526), (2052, 102105), (2269, 92340), (2430, 86222), (2565, 81684), (3078, 68070), (3420, 61263), (4538, 46170), (4617, 45380), (4860, 43111), (5130, 40842), (6156, 34035), (6807, 30780), (7695, 27228), (9076, 23085), (9234, 22690), (10260, 20421), (11345, 18468), (13614, 15390)]