390212500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 944939520

約数和(自身を除く): 554727020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 53, 62, 76, 95, 100, 106, 124, 125, 155, 190, 212, 250, 265, 310, 380, 475, 500, 530, 589, 620, 625, 775, 950, 1007, 1060, 1178, 1250, 1325, 1550, 1643, 1900, 2014, 2356, 2375, 2500, 2650, 2945, 3100, 3125, 3286, 3875, 4028, 4750, 5035, 5300, 5890, 6250, 6572, 6625, 7750, 8215, 9500, 10070, 11780, 11875, 12500, 13250, 14725, 15500, 16430, 19375, 20140, 23750, 25175, 26500, 29450, 31217, 32860, 33125, 38750, 41075, 47500, 50350, 58900, 59375, 62434, 66250, 73625, 77500, 82150, 96875, 100700, 118750, 124868, 125875, 132500, 147250, 156085, 164300, 165625, 193750, 205375, 237500, 251750, 294500, 312170, 331250, 368125, 387500, 410750, 503500, 624340, 629375, 662500, 736250, 780425, 821500, 1026875, 1258750, 1472500, 1560850, 1840625, 2053750, 2517500, 3121700, 3146875, 3681250, 3902125, 4107500, 5134375, 6293750, 7362500, 7804250, 10268750, 12587500, 15608500, 19510625, 20537500, 39021250, 78042500, 97553125, 195106250, 390212500]

約数ペア:

[(1, 390212500), (2, 195106250), (4, 97553125), (5, 78042500), (10, 39021250), (19, 20537500), (20, 19510625), (25, 15608500), (31, 12587500), (38, 10268750), (50, 7804250), (53, 7362500), (62, 6293750), (76, 5134375), (95, 4107500), (100, 3902125), (106, 3681250), (124, 3146875), (125, 3121700), (155, 2517500), (190, 2053750), (212, 1840625), (250, 1560850), (265, 1472500), (310, 1258750), (380, 1026875), (475, 821500), (500, 780425), (530, 736250), (589, 662500), (620, 629375), (625, 624340), (775, 503500), (950, 410750), (1007, 387500), (1060, 368125), (1178, 331250), (1250, 312170), (1325, 294500), (1550, 251750), (1643, 237500), (1900, 205375), (2014, 193750), (2356, 165625), (2375, 164300), (2500, 156085), (2650, 147250), (2945, 132500), (3100, 125875), (3125, 124868), (3286, 118750), (3875, 100700), (4028, 96875), (4750, 82150), (5035, 77500), (5300, 73625), (5890, 66250), (6250, 62434), (6572, 59375), (6625, 58900), (7750, 50350), (8215, 47500), (9500, 41075), (10070, 38750), (11780, 33125), (11875, 32860), (12500, 31217), (13250, 29450), (14725, 26500), (15500, 25175), (16430, 23750), (19375, 20140)]