28543000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 128

約数和(自身を含む): 74805120

約数和(自身を除く): 46262120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 68, 73, 85, 92, 100, 115, 125, 136, 146, 170, 184, 200, 230, 250, 292, 340, 365, 391, 425, 460, 500, 575, 584, 680, 730, 782, 850, 920, 1000, 1150, 1241, 1460, 1564, 1679, 1700, 1825, 1955, 2125, 2300, 2482, 2875, 2920, 3128, 3358, 3400, 3650, 3910, 4250, 4600, 4964, 5750, 6205, 6716, 7300, 7820, 8395, 8500, 9125, 9775, 9928, 11500, 12410, 13432, 14600, 15640, 16790, 17000, 18250, 19550, 23000, 24820, 28543, 31025, 33580, 36500, 39100, 41975, 48875, 49640, 57086, 62050, 67160, 73000, 78200, 83950, 97750, 114172, 124100, 142715, 155125, 167900, 195500, 209875, 228344, 248200, 285430, 310250, 335800, 391000, 419750, 570860, 620500, 713575, 839500, 1141720, 1241000, 1427150, 1679000, 2854300, 3567875, 5708600, 7135750, 14271500, 28543000]

約数ペア:

[(1, 28543000), (2, 14271500), (4, 7135750), (5, 5708600), (8, 3567875), (10, 2854300), (17, 1679000), (20, 1427150), (23, 1241000), (25, 1141720), (34, 839500), (40, 713575), (46, 620500), (50, 570860), (68, 419750), (73, 391000), (85, 335800), (92, 310250), (100, 285430), (115, 248200), (125, 228344), (136, 209875), (146, 195500), (170, 167900), (184, 155125), (200, 142715), (230, 124100), (250, 114172), (292, 97750), (340, 83950), (365, 78200), (391, 73000), (425, 67160), (460, 62050), (500, 57086), (575, 49640), (584, 48875), (680, 41975), (730, 39100), (782, 36500), (850, 33580), (920, 31025), (1000, 28543), (1150, 24820), (1241, 23000), (1460, 19550), (1564, 18250), (1679, 17000), (1700, 16790), (1825, 15640), (1955, 14600), (2125, 13432), (2300, 12410), (2482, 11500), (2875, 9928), (2920, 9775), (3128, 9125), (3358, 8500), (3400, 8395), (3650, 7820), (3910, 7300), (4250, 6716), (4600, 6205), (4964, 5750)]