69989000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 181958400

約数和(自身を除く): 111969400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 68, 85, 92, 100, 115, 125, 136, 170, 179, 184, 200, 230, 250, 340, 358, 391, 425, 460, 500, 575, 680, 716, 782, 850, 895, 920, 1000, 1150, 1432, 1564, 1700, 1790, 1955, 2125, 2300, 2875, 3043, 3128, 3400, 3580, 3910, 4117, 4250, 4475, 4600, 5750, 6086, 7160, 7820, 8234, 8500, 8950, 9775, 11500, 12172, 15215, 15640, 16468, 17000, 17900, 19550, 20585, 22375, 23000, 24344, 30430, 32936, 35800, 39100, 41170, 44750, 48875, 60860, 69989, 76075, 78200, 82340, 89500, 97750, 102925, 121720, 139978, 152150, 164680, 179000, 195500, 205850, 279956, 304300, 349945, 380375, 391000, 411700, 514625, 559912, 608600, 699890, 760750, 823400, 1029250, 1399780, 1521500, 1749725, 2058500, 2799560, 3043000, 3499450, 4117000, 6998900, 8748625, 13997800, 17497250, 34994500, 69989000]

約数ペア:

[(1, 69989000), (2, 34994500), (4, 17497250), (5, 13997800), (8, 8748625), (10, 6998900), (17, 4117000), (20, 3499450), (23, 3043000), (25, 2799560), (34, 2058500), (40, 1749725), (46, 1521500), (50, 1399780), (68, 1029250), (85, 823400), (92, 760750), (100, 699890), (115, 608600), (125, 559912), (136, 514625), (170, 411700), (179, 391000), (184, 380375), (200, 349945), (230, 304300), (250, 279956), (340, 205850), (358, 195500), (391, 179000), (425, 164680), (460, 152150), (500, 139978), (575, 121720), (680, 102925), (716, 97750), (782, 89500), (850, 82340), (895, 78200), (920, 76075), (1000, 69989), (1150, 60860), (1432, 48875), (1564, 44750), (1700, 41170), (1790, 39100), (1955, 35800), (2125, 32936), (2300, 30430), (2875, 24344), (3043, 23000), (3128, 22375), (3400, 20585), (3580, 19550), (3910, 17900), (4117, 17000), (4250, 16468), (4475, 15640), (4600, 15215), (5750, 12172), (6086, 11500), (7160, 9775), (7820, 8950), (8234, 8500)]