219549440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:566

約数の個数: 144

約数和(自身を含む): 593381376

約数和(自身を除く): 373831936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 503, 620, 640, 682, 704, 880, 992, 1006, 1240, 1280, 1364, 1408, 1705, 1760, 1984, 2012, 2480, 2515, 2728, 2816, 3410, 3520, 3968, 4024, 4960, 5030, 5456, 5533, 6820, 7040, 7936, 8048, 9920, 10060, 10912, 11066, 13640, 14080, 15593, 16096, 19840, 20120, 21824, 22132, 27280, 27665, 31186, 32192, 39680, 40240, 43648, 44264, 54560, 55330, 62372, 64384, 77965, 80480, 87296, 88528, 109120, 110660, 124744, 128768, 155930, 160960, 171523, 177056, 218240, 221320, 249488, 311860, 321920, 343046, 354112, 436480, 442640, 498976, 623720, 643840, 686092, 708224, 857615, 885280, 997952, 1247440, 1372184, 1416448, 1715230, 1770560, 1995904, 2494880, 2744368, 3430460, 3541120, 3991808, 4989760, 5488736, 6860920, 7082240, 9979520, 10977472, 13721840, 19959040, 21954944, 27443680, 43909888, 54887360, 109774720, 219549440]

約数ペア:

[(1, 219549440), (2, 109774720), (4, 54887360), (5, 43909888), (8, 27443680), (10, 21954944), (11, 19959040), (16, 13721840), (20, 10977472), (22, 9979520), (31, 7082240), (32, 6860920), (40, 5488736), (44, 4989760), (55, 3991808), (62, 3541120), (64, 3430460), (80, 2744368), (88, 2494880), (110, 1995904), (124, 1770560), (128, 1715230), (155, 1416448), (160, 1372184), (176, 1247440), (220, 997952), (248, 885280), (256, 857615), (310, 708224), (320, 686092), (341, 643840), (352, 623720), (440, 498976), (496, 442640), (503, 436480), (620, 354112), (640, 343046), (682, 321920), (704, 311860), (880, 249488), (992, 221320), (1006, 218240), (1240, 177056), (1280, 171523), (1364, 160960), (1408, 155930), (1705, 128768), (1760, 124744), (1984, 110660), (2012, 109120), (2480, 88528), (2515, 87296), (2728, 80480), (2816, 77965), (3410, 64384), (3520, 62372), (3968, 55330), (4024, 54560), (4960, 44264), (5030, 43648), (5456, 40240), (5533, 39680), (6820, 32192), (7040, 31186), (7936, 27665), (8048, 27280), (9920, 22132), (10060, 21824), (10912, 20120), (11066, 19840), (13640, 16096), (14080, 15593)]