2981403920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{373}}^1$

素因数の和:721

約数の個数: 160

約数和(自身を含む): 7853497344

約数和(自身を除く): 4872093424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 293, 310, 341, 373, 440, 496, 586, 620, 682, 746, 880, 1172, 1240, 1364, 1465, 1492, 1705, 1865, 2344, 2480, 2728, 2930, 2984, 3223, 3410, 3730, 4103, 4688, 5456, 5860, 5968, 6446, 6820, 7460, 8206, 9083, 11563, 11720, 12892, 13640, 14920, 16115, 16412, 18166, 20515, 23126, 23440, 25784, 27280, 29840, 32230, 32824, 36332, 41030, 45415, 46252, 51568, 57815, 64460, 65648, 72664, 82060, 90830, 92504, 99913, 109289, 115630, 127193, 128920, 145328, 164120, 181660, 185008, 199826, 218578, 231260, 254386, 257840, 328240, 363320, 399652, 437156, 462520, 499565, 508772, 546445, 635965, 726640, 799304, 874312, 925040, 999130, 1017544, 1092890, 1202179, 1271930, 1598608, 1748624, 1998260, 2035088, 2185780, 2404358, 2543860, 3387959, 3996520, 4371560, 4808716, 5087720, 6010895, 6775918, 7993040, 8743120, 9617432, 10175440, 12021790, 13551836, 16939795, 19234864, 24043580, 27103672, 33879590, 37267549, 48087160, 54207344, 67759180, 74535098, 96174320, 135518360, 149070196, 186337745, 271036720, 298140392, 372675490, 596280784, 745350980, 1490701960, 2981403920]

約数ペア:

[(1, 2981403920), (2, 1490701960), (4, 745350980), (5, 596280784), (8, 372675490), (10, 298140392), (11, 271036720), (16, 186337745), (20, 149070196), (22, 135518360), (31, 96174320), (40, 74535098), (44, 67759180), (55, 54207344), (62, 48087160), (80, 37267549), (88, 33879590), (110, 27103672), (124, 24043580), (155, 19234864), (176, 16939795), (220, 13551836), (248, 12021790), (293, 10175440), (310, 9617432), (341, 8743120), (373, 7993040), (440, 6775918), (496, 6010895), (586, 5087720), (620, 4808716), (682, 4371560), (746, 3996520), (880, 3387959), (1172, 2543860), (1240, 2404358), (1364, 2185780), (1465, 2035088), (1492, 1998260), (1705, 1748624), (1865, 1598608), (2344, 1271930), (2480, 1202179), (2728, 1092890), (2930, 1017544), (2984, 999130), (3223, 925040), (3410, 874312), (3730, 799304), (4103, 726640), (4688, 635965), (5456, 546445), (5860, 508772), (5968, 499565), (6446, 462520), (6820, 437156), (7460, 399652), (8206, 363320), (9083, 328240), (11563, 257840), (11720, 254386), (12892, 231260), (13640, 218578), (14920, 199826), (16115, 185008), (16412, 181660), (18166, 164120), (20515, 145328), (23126, 128920), (23440, 127193), (25784, 115630), (27280, 109289), (29840, 99913), (32230, 92504), (32824, 90830), (36332, 82060), (41030, 72664), (45415, 65648), (46252, 64460), (51568, 57815)]