2019766250

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1209

約数の個数: 80

約数和(自身を含む): 3994721280

約数和(自身を除く): 1974955030

約数列:

[1, 2, 5, 10, 25, 31, 47, 50, 62, 94, 125, 155, 235, 250, 310, 470, 625, 775, 1109, 1175, 1250, 1457, 1550, 2218, 2350, 2914, 3875, 5545, 5875, 7285, 7750, 11090, 11750, 14570, 19375, 27725, 29375, 34379, 36425, 38750, 52123, 55450, 58750, 68758, 72850, 104246, 138625, 171895, 182125, 260615, 277250, 343790, 364250, 521230, 693125, 859475, 910625, 1303075, 1386250, 1615813, 1718950, 1821250, 2606150, 3231626, 4297375, 6515375, 8079065, 8594750, 13030750, 16158130, 21486875, 32576875, 40395325, 42973750, 65153750, 80790650, 201976625, 403953250, 1009883125, 2019766250]

約数ペア:

[(1, 2019766250), (2, 1009883125), (5, 403953250), (10, 201976625), (25, 80790650), (31, 65153750), (47, 42973750), (50, 40395325), (62, 32576875), (94, 21486875), (125, 16158130), (155, 13030750), (235, 8594750), (250, 8079065), (310, 6515375), (470, 4297375), (625, 3231626), (775, 2606150), (1109, 1821250), (1175, 1718950), (1250, 1615813), (1457, 1386250), (1550, 1303075), (2218, 910625), (2350, 859475), (2914, 693125), (3875, 521230), (5545, 364250), (5875, 343790), (7285, 277250), (7750, 260615), (11090, 182125), (11750, 171895), (14570, 138625), (19375, 104246), (27725, 72850), (29375, 68758), (34379, 58750), (36425, 55450), (38750, 52123)]