628366900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1334

約数の個数: 144

約数和(自身を含む): 1679892480

約数和(自身を除く): 1051525580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 31, 35, 46, 50, 62, 70, 92, 100, 115, 124, 140, 155, 161, 175, 217, 230, 310, 322, 350, 434, 460, 575, 620, 644, 700, 713, 775, 805, 868, 1085, 1150, 1259, 1426, 1550, 1610, 2170, 2300, 2518, 2852, 3100, 3220, 3565, 4025, 4340, 4991, 5036, 5425, 6295, 7130, 8050, 8813, 9982, 10850, 12590, 14260, 16100, 17626, 17825, 19964, 21700, 24955, 25180, 28957, 31475, 35252, 35650, 39029, 44065, 49910, 57914, 62950, 71300, 78058, 88130, 99820, 115828, 124775, 125900, 144785, 156116, 176260, 195145, 202699, 220325, 249550, 273203, 289570, 390290, 405398, 440650, 499100, 546406, 579140, 723925, 780580, 810796, 881300, 897667, 975725, 1013495, 1092812, 1366015, 1447850, 1795334, 1951450, 2026990, 2732030, 2895700, 3590668, 3902900, 4053980, 4488335, 5067475, 5464060, 6283669, 6830075, 8976670, 10134950, 12567338, 13660150, 17953340, 20269900, 22441675, 25134676, 27320300, 31418345, 44883350, 62836690, 89766700, 125673380, 157091725, 314183450, 628366900]

約数ペア:

[(1, 628366900), (2, 314183450), (4, 157091725), (5, 125673380), (7, 89766700), (10, 62836690), (14, 44883350), (20, 31418345), (23, 27320300), (25, 25134676), (28, 22441675), (31, 20269900), (35, 17953340), (46, 13660150), (50, 12567338), (62, 10134950), (70, 8976670), (92, 6830075), (100, 6283669), (115, 5464060), (124, 5067475), (140, 4488335), (155, 4053980), (161, 3902900), (175, 3590668), (217, 2895700), (230, 2732030), (310, 2026990), (322, 1951450), (350, 1795334), (434, 1447850), (460, 1366015), (575, 1092812), (620, 1013495), (644, 975725), (700, 897667), (713, 881300), (775, 810796), (805, 780580), (868, 723925), (1085, 579140), (1150, 546406), (1259, 499100), (1426, 440650), (1550, 405398), (1610, 390290), (2170, 289570), (2300, 273203), (2518, 249550), (2852, 220325), (3100, 202699), (3220, 195145), (3565, 176260), (4025, 156116), (4340, 144785), (4991, 125900), (5036, 124775), (5425, 115828), (6295, 99820), (7130, 88130), (8050, 78058), (8813, 71300), (9982, 62950), (10850, 57914), (12590, 49910), (14260, 44065), (16100, 39029), (17626, 35650), (17825, 35252), (19964, 31475), (21700, 28957), (24955, 25180)]