387221560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:589

約数の個数: 128

約数和(自身を含む): 1005903360

約数和(自身を除く): 618681800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 83, 88, 92, 110, 115, 166, 184, 220, 230, 253, 332, 415, 440, 460, 461, 506, 664, 830, 913, 920, 922, 1012, 1265, 1660, 1826, 1844, 1909, 2024, 2305, 2530, 3320, 3652, 3688, 3818, 4565, 4610, 5060, 5071, 7304, 7636, 9130, 9220, 9545, 10120, 10142, 10603, 15272, 18260, 18440, 19090, 20284, 20999, 21206, 25355, 36520, 38180, 38263, 40568, 41998, 42412, 50710, 53015, 76360, 76526, 83996, 84824, 101420, 104995, 106030, 116633, 153052, 167992, 191315, 202840, 209990, 212060, 233266, 306104, 382630, 419980, 420893, 424120, 466532, 583165, 765260, 839960, 841786, 880049, 933064, 1166330, 1530520, 1683572, 1760098, 2104465, 2332660, 3367144, 3520196, 4208930, 4400245, 4665320, 7040392, 8417860, 8800490, 9680539, 16835720, 17600980, 19361078, 35201960, 38722156, 48402695, 77444312, 96805390, 193610780, 387221560]

約数ペア:

[(1, 387221560), (2, 193610780), (4, 96805390), (5, 77444312), (8, 48402695), (10, 38722156), (11, 35201960), (20, 19361078), (22, 17600980), (23, 16835720), (40, 9680539), (44, 8800490), (46, 8417860), (55, 7040392), (83, 4665320), (88, 4400245), (92, 4208930), (110, 3520196), (115, 3367144), (166, 2332660), (184, 2104465), (220, 1760098), (230, 1683572), (253, 1530520), (332, 1166330), (415, 933064), (440, 880049), (460, 841786), (461, 839960), (506, 765260), (664, 583165), (830, 466532), (913, 424120), (920, 420893), (922, 419980), (1012, 382630), (1265, 306104), (1660, 233266), (1826, 212060), (1844, 209990), (1909, 202840), (2024, 191315), (2305, 167992), (2530, 153052), (3320, 116633), (3652, 106030), (3688, 104995), (3818, 101420), (4565, 84824), (4610, 83996), (5060, 76526), (5071, 76360), (7304, 53015), (7636, 50710), (9130, 42412), (9220, 41998), (9545, 40568), (10120, 38263), (10142, 38180), (10603, 36520), (15272, 25355), (18260, 21206), (18440, 20999), (19090, 20284)]