201953920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:826

約数の個数: 128

約数和(自身を含む): 561571200

約数和(自身を除く): 359617280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 640, 739, 854, 896, 976, 1120, 1220, 1478, 1708, 1952, 2135, 2240, 2440, 2956, 3416, 3695, 3904, 4270, 4480, 4880, 5173, 5912, 6832, 7390, 7808, 8540, 9760, 10346, 11824, 13664, 14780, 17080, 19520, 20692, 23648, 25865, 27328, 29560, 34160, 39040, 41384, 45079, 47296, 51730, 54656, 59120, 68320, 82768, 90158, 94592, 103460, 118240, 136640, 165536, 180316, 206920, 225395, 236480, 273280, 315553, 331072, 360632, 413840, 450790, 472960, 631106, 662144, 721264, 827680, 901580, 1262212, 1442528, 1577765, 1655360, 1803160, 2524424, 2885056, 3155530, 3310720, 3606320, 5048848, 5770112, 6311060, 7212640, 10097696, 12622120, 14425280, 20195392, 25244240, 28850560, 40390784, 50488480, 100976960, 201953920]

約数ペア:

[(1, 201953920), (2, 100976960), (4, 50488480), (5, 40390784), (7, 28850560), (8, 25244240), (10, 20195392), (14, 14425280), (16, 12622120), (20, 10097696), (28, 7212640), (32, 6311060), (35, 5770112), (40, 5048848), (56, 3606320), (61, 3310720), (64, 3155530), (70, 2885056), (80, 2524424), (112, 1803160), (122, 1655360), (128, 1577765), (140, 1442528), (160, 1262212), (224, 901580), (244, 827680), (280, 721264), (305, 662144), (320, 631106), (427, 472960), (448, 450790), (488, 413840), (560, 360632), (610, 331072), (640, 315553), (739, 273280), (854, 236480), (896, 225395), (976, 206920), (1120, 180316), (1220, 165536), (1478, 136640), (1708, 118240), (1952, 103460), (2135, 94592), (2240, 90158), (2440, 82768), (2956, 68320), (3416, 59120), (3695, 54656), (3904, 51730), (4270, 47296), (4480, 45079), (4880, 41384), (5173, 39040), (5912, 34160), (6832, 29560), (7390, 27328), (7808, 25865), (8540, 23648), (9760, 20692), (10346, 19520), (11824, 17080), (13664, 14780)]