172164700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 422195200

約数和(自身を除く): 250030500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 37, 38, 50, 62, 74, 76, 79, 95, 100, 124, 148, 155, 158, 185, 190, 310, 316, 370, 380, 395, 475, 589, 620, 703, 740, 775, 790, 925, 950, 1147, 1178, 1406, 1501, 1550, 1580, 1850, 1900, 1975, 2294, 2356, 2449, 2812, 2923, 2945, 3002, 3100, 3515, 3700, 3950, 4588, 4898, 5735, 5846, 5890, 6004, 7030, 7505, 7900, 9796, 11470, 11692, 11780, 12245, 14060, 14615, 14725, 15010, 17575, 21793, 22940, 24490, 28675, 29230, 29450, 30020, 35150, 37525, 43586, 46531, 48980, 55537, 57350, 58460, 58900, 61225, 70300, 73075, 75050, 87172, 90613, 93062, 108965, 111074, 114700, 122450, 146150, 150100, 181226, 186124, 217930, 222148, 232655, 244900, 277685, 292300, 362452, 435860, 453065, 465310, 544825, 555370, 906130, 930620, 1089650, 1110740, 1163275, 1388425, 1721647, 1812260, 2179300, 2265325, 2326550, 2776850, 3443294, 4530650, 4653100, 5553700, 6886588, 8608235, 9061300, 17216470, 34432940, 43041175, 86082350, 172164700]

約数ペア:

[(1, 172164700), (2, 86082350), (4, 43041175), (5, 34432940), (10, 17216470), (19, 9061300), (20, 8608235), (25, 6886588), (31, 5553700), (37, 4653100), (38, 4530650), (50, 3443294), (62, 2776850), (74, 2326550), (76, 2265325), (79, 2179300), (95, 1812260), (100, 1721647), (124, 1388425), (148, 1163275), (155, 1110740), (158, 1089650), (185, 930620), (190, 906130), (310, 555370), (316, 544825), (370, 465310), (380, 453065), (395, 435860), (475, 362452), (589, 292300), (620, 277685), (703, 244900), (740, 232655), (775, 222148), (790, 217930), (925, 186124), (950, 181226), (1147, 150100), (1178, 146150), (1406, 122450), (1501, 114700), (1550, 111074), (1580, 108965), (1850, 93062), (1900, 90613), (1975, 87172), (2294, 75050), (2356, 73075), (2449, 70300), (2812, 61225), (2923, 58900), (2945, 58460), (3002, 57350), (3100, 55537), (3515, 48980), (3700, 46531), (3950, 43586), (4588, 37525), (4898, 35150), (5735, 30020), (5846, 29450), (5890, 29230), (6004, 28675), (7030, 24490), (7505, 22940), (7900, 21793), (9796, 17575), (11470, 15010), (11692, 14725), (11780, 14615), (12245, 14060)]