404359040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:368

約数の個数: 128

約数和(自身を含む): 1013472000

約数和(自身を除く): 609112960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 124, 128, 155, 160, 178, 229, 248, 310, 320, 356, 445, 458, 496, 620, 640, 712, 890, 916, 992, 1145, 1240, 1424, 1780, 1832, 1984, 2290, 2480, 2759, 2848, 3560, 3664, 3968, 4580, 4960, 5518, 5696, 7099, 7120, 7328, 9160, 9920, 11036, 11392, 13795, 14198, 14240, 14656, 18320, 19840, 20381, 22072, 27590, 28396, 28480, 29312, 35495, 36640, 40762, 44144, 55180, 56792, 56960, 70990, 73280, 81524, 88288, 101905, 110360, 113584, 141980, 146560, 163048, 176576, 203810, 220720, 227168, 283960, 326096, 353152, 407620, 441440, 454336, 567920, 631811, 652192, 815240, 882880, 908672, 1135840, 1263622, 1304384, 1630480, 1765760, 2271680, 2527244, 2608768, 3159055, 3260960, 4543360, 5054488, 6318110, 6521920, 10108976, 12636220, 13043840, 20217952, 25272440, 40435904, 50544880, 80871808, 101089760, 202179520, 404359040]

約数ペア:

[(1, 404359040), (2, 202179520), (4, 101089760), (5, 80871808), (8, 50544880), (10, 40435904), (16, 25272440), (20, 20217952), (31, 13043840), (32, 12636220), (40, 10108976), (62, 6521920), (64, 6318110), (80, 5054488), (89, 4543360), (124, 3260960), (128, 3159055), (155, 2608768), (160, 2527244), (178, 2271680), (229, 1765760), (248, 1630480), (310, 1304384), (320, 1263622), (356, 1135840), (445, 908672), (458, 882880), (496, 815240), (620, 652192), (640, 631811), (712, 567920), (890, 454336), (916, 441440), (992, 407620), (1145, 353152), (1240, 326096), (1424, 283960), (1780, 227168), (1832, 220720), (1984, 203810), (2290, 176576), (2480, 163048), (2759, 146560), (2848, 141980), (3560, 113584), (3664, 110360), (3968, 101905), (4580, 88288), (4960, 81524), (5518, 73280), (5696, 70990), (7099, 56960), (7120, 56792), (7328, 55180), (9160, 44144), (9920, 40762), (11036, 36640), (11392, 35495), (13795, 29312), (14198, 28480), (14240, 28396), (14656, 27590), (18320, 22072), (19840, 20381)]